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OFC/NFOEC 2007 Conference

8:00 a.m.–10:00 a.m.OThA • MicrostructuredFibersMing-Jun Li; Corning Inc., USA,Presider

8:00 a.m.–10:00 a.m.OThB • Optical Processing IDavid Boertjes; Nortel Networks,Canada, Presider

8:00 a.m.–9:45 a.m.OThC • Resonant OpticalDevicesDavid Moss; Univ. of Sydney,Australia, Presider

8:00 a.m.–10:00 a.m.OThD • ModulationTechniquesMichel W. Chbat; SiemensCommunications, Inc., USA,Presider

8:00 a.m.–10:00 a.m.OThE • Service and NetworkManagementHans-Martin Foisel; T-SystemsTechnology Ctr., Germany,Presider

OThE1 • 8:00 a.m. Tutorial

Service Oriented Architectures with UserControlled Light Paths, Bill St. Arnaud;Canarie Inc., Canada. An innovative opti-cal network paradigm is described whereall network elements, including switches,routers and links are represented as webservices, which can be bound into a net-work instantiation using web servicesworkflow.

Bill St. Arnaud is Senior Director Ad-vanced Networks for Canarie Inc., wherehe has been responsible for the coordina-tion and implementation of Canada’s nextgeneration optical Internet initiative calledCA*net 4. He has been the principal archi-tect of the User Controlled LightPathconcept of applying Service OrientedArchitecture to network elements to allowusers to orchestrate their own Internetnetwork topologies and architectures fullyintegrated with their specific applicationneeds. Bill St. Arnaud is an author of nu-merous papers and is a frequent guestspeaker at various conferences on theInternet and optical networking. He is agraduate of Carleton University School ofEngineering.

OThD1 • 8:00 a.m.Offset Sideband Modulation at 2.5GSym/s, Jamie D. Gaudette1, David J.Krause1, John C. Cartledge1, Kim Roberts2;1Queen’s Univ., Canada, 2Nortel Networks,Canada. The generation of an opticalcarrier and 2.5-GSym/s offset modulatedsideband is demonstrated using arbitraryoptical waveform generation and a singlelaser and modulator. In this demonstra-tion, the sideband is modulated usingQPSK and 16-QAM.

OThC1 • 8:00 a.m. Tutorial

Coupled Resonator Optical Devices,Amnon Yariv; Caltech, USA. No abstractavailable.

OThB1 • 8:00 a.m. InvitedNEDO Project on Photonic NetworkTechnologies-Development of an OBSNode Prototype and Key Devices,Yoshiaki Nakano; Univ. of Tokyo, Japan. Wepresent a summary of the optical burstswitching (OBS) node prototype andmajor components achieved in NEDO-funded Photonic Network Project. Ad-vanced devices such as matrix switch,wavelength converter and tunable lasersare reported.

OThA1 • 8:00 a.m.Large-Mode-Area Single-Mode HoleyFiber with Low Bending Losses: TowardsHigh Power Beam Delivery Systems,Yukihiro Tsuchida, Kunimasa Saitoh,Masanori Koshiba; Hokkaido Univ., Japan.We propose a novel design method forlarge-mode-area single-mode holey fiberwith effective mode area of 1400 µm2,small allowable bending radius of 5 cm,and good beam quality factor of 1.15 at1.064-µm wavelength.

OThA2 • 8:15 a.m.Bending Properties of Hole-AssistedSingle Polarization Fibers, Xin Chen,Ming-Jun Li, Joohyun Koh, Anthony Artuso,Daniel A. Nolan; Corning Inc., USA. Westudy effects of bending on single polar-ization fiber performance. Good qualita-tive agreement between numerical andexperimental results is found, which helpsto understand fiber deployment condi-tions and facilitate new design.

OThD2 • 8:15 a.m.System Performance of DPSK SignalsTransmitted through Broadband SBS-Based Slow Light Element and Reductionof Slow-Light-Induced Data-PatternDependence, Bo Zhang1, Irfan Fazal1,Lianshan Yan2, Lin Zhang1, Alan E.Willner1, Zhaoming Zhu3, Daniel J.Gauthier3; 1Univ. of Southern California,USA, 2General Photonics, USA, 3DukeUniv., USA. We demonstrate 42 ps delayon 10.7-Gb/s DPSK signals via SBS-basedslow light. Slow-light-induced DPSK-data-pattern dependence is analyzed andits reduction results in 3-dB Q factorimprovement. NRZ-DPSK and RZ-DPSKsystem performances are compared.

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OFC/NFOEC Technical Session Abstracts

8:00 a.m.–10:00 a.m.OThF • Optical PacketSwitching NetworksLiam-Kuan Chen; Chinese Univ.of Hong Kong, China, Presider

8:00 a.m.–10:00 a.m.OThG • Photodetectors,Terabits and TerahertzJoe Campbell; Univ. of Virginia,USA, Presider

8:00 a.m.–10:00 a.m.NThA • Optical FiberConnectorization: Problemsand SolutionsJin Hong; Oplink Communica-tions, USA, Presider

8:00 a.m.–10:00 a.m.NThB • Optical/WirelessAccess ArchitecturePetar K. Pepeljugoski; IBM Res.,USA, Presider

NThB1 • 8:00 a.m.QoS-Aware Scheduling over HybridOptical Wireless Networks, Yuanqiu Luo1,Si Yin1, Ting Wang1, Yoshihiko Suemura2,Shinya Nakamura2, Nirwan Ansari3,Milorad Cvijetic4; 1NEC Labs America,USA, 2NEC Corp., Japan, 3New Jersey Inst.of Technology, USA, 4NEC America, USA.Purposing to increase throughput in thehybrid optical wireless networks, we pro-pose a scheduling scheme to deliver ser-vices by taking the QoS requirement intoconsideration. Simulations demonstratethat the centralized process facilitatestransmission overhead reduction.

NThA1 • 8:00 a.m.Managing Fiber Connections in NGNand Applications, Michael F. Lane1, DavidZ. Chen1, Dimitrios Kokkinos2; 1VerizonLabs, USA, 2CUNY, USA. Increasing fiberapplications such as DWDM, Ultra LongHaul and FTTH are rapidly taxing manu-ally managed fiber infrastructure. Newfiber management technologies and archi-tectures are evaluated to meet the growthof emerging networks and applications.

OThG1 • 8:00 a.m.High-Speed and High-Power Perfor-mance of a Dual-Step Evanescently-Coupled Uni-Traveling-Carrier Photo-diode at a 1.55µm Wavelength, Y.-S. Wu,P.-H. Chiu, Jin-Wei Shi; Dept. of EE. Natl.Central Univ., Taiwan. We demonstrate adual-step evanescently-coupled uni-trav-eling-carrier photodiode to minimize thedependence of responsivity on cleaved-length. High responsivity (0.9A/W), wideelectrical bandwidth (~60GHz), and highsaturation current-bandwidth product(>780mA-GHz) have been achieved si-multaneously under 50Ω load.

OThF1 • 8:00 a.m. InvitedTechnologies for Building FastReconfigurable WDM Optical Networks,Daniel Blumenthal; Univ. of California atSanta Barbara, USA. No abstract available.

OThG2 • 8:15 a.m. InvitedRecent Advances in AlInAs AvalanchePhotodiodes, Eiji Yagyu, E. Ishimura, M.Nakaji, H. Itamoto, T. Aoyagi, K. Yoshiara,Y. Tokuda; Mitsubishi Electric Corp., Japan.We present practical planar AlInAs APDs,which have large gain-bandwidth prod-ucts, low noise, and high reliability. TheAPD receivers had a sensitivity of -28.6dBm at 10 Gb/s and -37.0 dBm at2.5 Gb/s.

NThA2 • 8:20 a.m.Field Installable Connector Optimizedfor Holey Fiber, Yoshihisa Kato1, K.Suzuki1, K. Ohsono1, M. Wakasa2, Y.Nakatani2, T. Nishio2, M. Tachikura2;1Hitachi Cable, Ltd., Japan, 2AdvancedCable Systems Corp., Japan. To realize easyfield installation of connectors for holeyfibers, we developed a novel mechanicalsplicing technique that utilizes a curing-type material for refractive-index match-ing instead of conventional liquid-typematerials.

NThB2 • 8:20 a.m. InvitedOptical/Wireless Access Architecture andField Trials, Peter Magill; AT&T, USA. Noabstract available.

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OThA • MicrostructuredFibers—Continued

OThB • OpticalProcessing I—Continued

OThC • Resonant OpticalDevices—Continued

OThD • ModulationTechniques—Continued

OThE • Service and NetworkManagement—Continued

OThA3 • 8:30 a.m.Mechanical Strength and Fatigue ofMicrostructured Optical Fibers, Alexey F.Kosolapov, Sergei L. Semjonov, Alexandr N.Denisov, Evgeny M. Dianov; Fiber OpticsRes. Ctr., Russian Acad. of Sciences, RussianFederation. The response of the strengthand fatigue parameters of strongmicrostructured fiber to environmentalfactors in holes was studied. It was similarto that for usual hole-free strong fiberswithout a protective coating.

OThB2 • 8:30 a.m.DPSK Signal Regeneration Using a Non-linear Amplifying Loop Mirror, KlausSponsel1, Christian Stephan1, KristianCvecek1, Georgy Onishchukov1, BernhardSchmauss2, Gerd Leuchs1; 1Inst. of Optics,Information and Photonics (Max PlanckRes. Group) Univ. of Erlangen-Nuremberg,Germany, 2Inst. for Microwave Technology,Univ. of Erlangen-Nuremberg, Germany.Power characteristics and phase functionsof a NALM are investigated in simulationsand experimentally, showing a phase-preserving nonlinear characteristics suit-able for amplitude regeneration of phase-encoded signals. A negative power penaltyof 1.5 dB was obtained.

OThD3 • 8:30 a.m.High-Sensitivity Demodulation of Mul-tiple-Data-Rate WDM-DPSK SignalsUsing a Single Interferometer, DavidCaplan, Mark Stevens, John Carney; MITLincoln Lab, USA. We demonstrate simul-taneous reception of multiple-rate wave-length-division-multiplexed optical-DPSKsignals using a single interferometer. Thedemodulation approach provides rate-flexibility and scalability, enabling pen-alty-free performance and compliancewith existing channel-rate and channel-spacing standards.

OThA4 • 8:45 a.m.Fracture Strength of Air-CladMicrostructured Fibers, FrançoisVéronique, Seyed Sadreddin Aboutorabi;Ecole de Technologie Supérieure, Canada.Measurement of microstructured fiber(MSF) bending strength is reported forthe first time. Both coated and chemicallystripped MSF are found to exhibit fracturebending strengths comparable to standardcommunications fiber.

OThD4 • 8:45 a.m.Ultimate Linewidth-Tolerant 20-GbpsQPSK-Homodyne Transmission Using aSpectrum-Sliced ASE Light Source,Moriya Nakamura, Yukiyoshi Kamio, Guo-Wei Lu, Tetsuya Miyazaki; Natl. Inst. ofInformation and Communications Technol-ogy (NICT), Japan. We demonstratedultimate linewidth-tolerant 20-GbpsQPSK-homodyne using a 3-nm spectrum-sliced ASE light source by an optical phasenoise cancellation, attained BER less than1x10-6 after 160-km transmission. We alsocharacterized DGD and dispersion toler-ances.

OThB3 • 8:45 a.m.All-Optical Amplitude Noise Suppres-sion of 160-Gb/s OOK and DPSK DataSignals Using a Parametric Fiber Switch,Fumio Futami1, R. Okabe1, S. Ono1, S.Watanabe1, R. Ludwig2, C. Schmidt-Langhorst2, C. Schubert2; 1Fujitsu Labs Ltd.,Japan, 2Fraunhofer Inst. for Telecommuni-cations, Heinrich-Hertz Inst., Germany. Wedemonstrate the noise limiting perfor-mance of a fiber switch based on paramet-ric gain saturation in highly nonlinearfiber. Bit-error-rate measurements wereperformed at 160Gb/s for on-off keyingand differential phase shift keying datasignals.

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OThF • Optical PacketSwitching Networks—Continued

OThG • Photodetectors,Terabits and Terahertz—Continued

NThA • Optical FiberConnectorization: Problemsand Solutions—Continued

NThB • Optical/WirelessAccess Architecture—Continued

OThF2 • 8:30 a.m.Multi-Stage SOA Switch Fabrics:4x40Gb/s Packet Switching and FaultTolerance, Eng Tin Aw1, Tao Lin1, AdrianWonfor1, Richard V. Penty1, Ian H. White1,2,Madeleine Glick2; 1Univ. of Cambridge, UK,2Intel Res., UK. Performance of packetswitching at 4x40Gb/s through a multi-stage SOA is evaluated. Fault identificationand rerouting in the multi-stage switch isdemonstrated.

OThG3 • 8:45 a.m.Ge Photodetectors Integrated withWaveguides for Electronic-PhotonicIntegrated Circuits on CMOS Platform,Donghwan Ahn, Ching-yin Hong, JifengLiu, Mark Beals, Jian Chen, Franz Kaertner,Lionel C. Kimerling, Jurgen Michel; MIT,USA. Ge photodetectors monolithicallyintegrated with silicon oxynitride andsilicon nitride waveguides on Si CMOSplatform are presented. The devices dem-onstrated high efficiency ( ~ 1.08A/W)and high-speed ( > 14 Gbit/s) perfor-mances at low bias.

NThA3 • 8:40 a.m.Elimination of Manual Cleaving and De-Nubbing in the Polishing of Connector-ized Fiber End-Faces, Cuneyt Erdogan;Krell Technologies, Inc., USA. We demon-strate an automated process for con-nectorized optical fibers encompassing tipde-nubbing through final polish. Theautomated process is combatible withboth single and multi-fiber connectors,and compliant to applicable optical andend-face geometry criteria.

OThF3 • 8:45 a.m.Petabit-per-Second Routers: Case for All-Optical over Electronic Implementation,S. J. Ben Yoo, Haijun Yang; Univ. of Califor-nia at Davis, USA. This paper investigatesmerits and challenges of all-optical rout-ers. All-optical routers can exploit thewavelength domain not available in elec-tronic routers to overcome the lack ofoptical buffers, and to realize compactultralow power systems.

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OThA5 • 9:00 a.m.Practical Design of MicrostructuredOptical Fibers for Surface Plasmon Reso-nance Sensing, Alireza Hassani, MaksimSkorobogatiy; Ecole Polytechnique deMontreal, Canada. Plasmons on the sur-face of large metallized holes containinganalyte are excited by the fundamentalmode of a microstructured fiber. Phasematching between plasmon and coremodes is facilitated by the perforation offiber core.

OThB4 • 9:00 a.m.All-Optical Signal Reshaping of a 40 Gb/sRZ Signal by Dual-Stage Pump Modu-lated Four-Wave-Mixing, C. H. Kwok,Chinlon Lin; Dept. of Electronic Engineer-ing, Chinese Univ. of Hong Kong, HongKong. All-optical signal reshaping is dem-onstrated with a 40 Gb/s RZ signal byusing two cascaded pump modulatedfour-wave-mixing processes. A 5 dB im-provement in the receiver sensitivity isreported for a degraded signal input.

OThC2 • 9:00 a.m. InvitedStrategies for Fabricating Strong-Con-finement Microring Filters and Circuits,Henry Smith1, Tymon Barwicz1, Charles W.Holzwarth1, Milos A. Popovic1, Michael R.Watts2, Peter T. Rakich1, Minghao Qi3, RaulBarreto1, Franz X. Kärtner1, Erich P. Ippen1;1MIT, USA, 2Sandia Natl. Labs, USA,3Purdue Univ., USA. We describe strategiesfor fabricating strong-confinementmicroring filters and circuits, and assertthat techniques specifically tailored tomicrophotonics requirements provide amore efficient path to commercializationthan techniques developed for semicon-ductor electronics.

OThD5 • 9:00 a.m. Invited100 Gigabit Ethernet Transmission—Physical Layer Issues, Gottfried Lehmann1,Rainer H. Derksen1, Colja Schubert2,Marcus Winter3; 1Siemens Networks, Ger-many, 2Fraunhofer Inst. for Telecommunica-tions, HHI, Germany, 3Technical Univ. ofBerlin, Germany. Solutions to transmit 100Gigabit Ethernet Signals (GbE) over hun-dred or more kilometers are discussed. Anoverview of experimental ≥100 Gb/sETDM approaches is given and the suit-ability of various modulation formats isevaluated.

OThE2 • 9:00 a.m.Network Management Solution for PS/PON, WDM/PON and Hybrid PS/WDM/PON Using DS-OCDM, Habib Fathallah,Leslie A. Rusch; Ctr. d’Optique Photoniqueet Laser, Laval Univ., Canada. A novelnetwork management solution for PS/PON, WDM/PON and PS/WDM/PON isproposed and developed. Modified DS-OCDM overcomes OTDR shortcomingsand capacity limitation of known PONmanagement techniques for standard andadvanced PON architectures.



OThC • Resonant OpticalDevices—Continued



OThE3 • 9:15 a.m.Novel Fault Monitoring and LocalizationScheme in WDM-PONs with UpstreamVCSEL Transmitters, Elaine Wong1,2,Xiaoxue Zhao1, Connie J. Chang-Hasnain1;1Dept of Electrical Engineering and Com-puter Science, Univ. of California at Berke-ley, USA, 2ARC Special Res. Ctr. on Ultra-Broadband Information Networks, Dept ofEEE, Univ. of Melbourne, Australia. Ahighly-sensitive (-67 dBm) fault monitor-ing and localization scheme is achievedwithout modifications to the ONU, byutilizing a low bandwidth (2kHz) andpower (-7dBm) fault monitor, and thehigh reflectivity mirror of VCSEL trans-mitters.

OThB5 • 9:15 a.m.Polarization Independent All-OpticalRetiming Based on Cross-Phase Modula-tion and Spectral Slicing, Chris Ito, SungHan Chung, Iannick Monfils, John C.Cartledge; Queen’s Univ., Canada. Polar-ization independent all-optical retiming isdemonstrated using a self-pulsating DFBlaser and cross-phase modulation in ahighly nonlinear fiber. Regardless of itsstate-of-polarization, the timing jitter ofretimed data signal is less than 2 ps.

OThA6 • 9:15 a.m.Experimental Demonstration of VeryHigh Negative Chromatic DispersionDual-Core Photonic Crystal Fiber, SigangYang1, Yejin Zhang1, Lina He1, ShizhongXie1, Jinyan Li2, Wei Chen2, Zuowen Jiang2,Jinggang Peng2, Haiqing Li2; 1TsinghuaUniv., China, 2FiberHome Telecommunica-tion Technologies Co. Ltd., China. Thispaper reports the experimental drawingfabrication of very large negative chro-matic dispersion dual-core photonic crys-tal fiber. The fabricated fiber has a peakchromatic dispersion of -820 ps/(nm km).

OThA7 • 9:30 a.m.Controllability of Guided Acoustic-WaveBrillouin Scattering Spectra in Hole-Assisted Fibers, Takashi Matsui, KazuhideNakajima, Taiji Sakamoto, KazuyukiShiraki, Izumi Sankawa; NTT Corp., Japan.We clarify that GAWBS gain for a particu-lar acoustic torsional/radial mode is ob-served in hole-assisted fiber. It is revealedthat the acoustic mode can be controlledby simply designing the air-hole positionand size.

OThB6 • 9:30 a.m.Generalisation and Experimental Valida-tion of Design Rules for Self-PhaseModulation-based 2R-Regenerators,Lionel Provost, Christophe Finot, KazunoriMukasa, Periklis Petropoulos, David J.Richardson; Optoelectronics Res. Ctr., Univ.of Southampton, UK. We report the designof 2R-regenerators based on Self-PhaseModulation in lossy fibers. We experimen-tally demonstrate the applicability of theproposed scaling rules and present de-tailed characterization of the pulse charac-teristics at the regenerator output.

OThD6 • 9:30 a.m.CPFSK/MSK Modulation with a Mono-lithic Integrated LiNbO

3 Modulator,

Takahide Sakamoto, Akito Chiba, TetsuyaKawanishi, Masayuki Izutsu; NICT, Japan.We propose a high-speed CPFSK/MSKmodulation technique using a single-stagemonolithic-integrated dual-arm drivenFSK modulator. By measuring phase tra-jectory, we directly confirmed that theexternally modulated lightwave was trulycontinuous in phase to form CPFSK/MSK.

OThE4 • 9:30 a.m.A Novel Technique for Low-Cost Embed-ded Non-Intrusive Fiber Monitoring ofP2MP Optical Access Networks, WeiChen, Bert De Mulder, Jan Vandewege,Xingzhi Qiu, Johan Bauwelinck, BartBaekelandt; Ghent Univ., Belgium. A lowcost embedded OTDR method is pre-sented for monitoring the fiber plant ofTDM optical networks without extraoptical components nor performancepenalty. It localizes abrupt changes in linkattenuation without disturbing networkoperation.

OThC3 • 9:30 a.m.A Tunable Dispersion Compensator withHighly Refractive Silicon Etalons, ToshikiSugawara1, Satoshi Makio2, MakotoTakahashi1, Hirohisa Sano2, MasatoShishikura1, Nobuhiko Kikuchi1; 1Hitachi,Ltd., Central Res. Lab, Japan, 2HitachiMetals, Ltd., Advanced Electronics Res. Lab,Japan. We used highly refractive siliconetalons to develop a tunable dispersioncompensator with ±250-ps/nm tunablerange and low <2.3-dB loss (2.1-dB im-provement). We demonstrated 40-Gbps-NRZ transmissions with 1000-ps/nmtunable range in a double-pass configura-tion.

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OThF4 • 9:00 a.m.Experimental Demonstration of a Label-Switched and 50GHz Channel SpacingDWDM Network with 50Gbit/s DQPSKPayload and 3.125Gb/s Inversion-RZOOK Label, Jianjun Yu1, Xiang Zhou2, LeiXu1, Philip Nan Ji1, Yong-Kee Yeo3, TingWang1, Gee Kung Chang3; 1NEC LabAmerica, USA, 2AT&T Labs, USA, 3GeorgiaTech, USA. We have successfully demon-strated that an inversion-RZ pulse signalcan be employed in a 50Gbit/s RZ-DQPSK payload per channel and 50GHzchannel spacing optical packet switchingnetwork as an orthogonal modulationoptical label.

OThG4 • 9:00 a.m. Invited160-Gb/s, 16-Channel Full-Duplex,Single-Chip CMOS Optical Transceiver,Clint L. Schow, Fuad E. Doany, OdileLiboiron-Ladouceur, Christian Baks, DanielM. Kuchta, Laurent Schares, Richard John,Jeff A. Kash; IBM T .J. Watson Res. Ctr.,USA. We report a single-chip CMOS opti-cal transceiver incorporating sixteen 10-Gb/s transmitter and receiver channels fora 160 Gb/s aggregate bit rate. The trans-ceiver consumes 15.6 mW/Gb/s with anarea efficiency of 9.4 Gb/s/mm2 per link.

NThA4 • 9:00 a.m.Multi-Fiber, MT Ferrule Endface FiberTip Displacement Model for PhysicalContact Interconnects, Michael Gurreri1,James Kevern1, Michael Kadar-Kallen1, LouCastagna1, Darrell Childers2, Mike Hughes2;1Tyco Electronics, USA, 2US Conec, USA.This paper describes a simplified modellinking MT ferrule and connector at-tributes to positive contact performance.Validation with FEA, experimental appa-ratus and empirical results are described,along with topics for future study.


OThG • Photodetectors,Terabits and Terahertz—Continued



NThB3 • 9:00 a.m.Experimental Validation of an AccessEvolution Strategy: Smooth FTTP Ser-vice Migration Path, Kent McCammon1,Shing-Wa Wong2; 1AT&T, USA, 2StanfordUniv., USA. We examine a cost-effectiveupgrade path using WDM over deployedFTTP infrastructures with capability toco-exist with a working G-PON system.We demonstrate overlay of five Gigabitsignals operating between 1531nm~1611nm over a working G-PON.

OThF5 • 9:15 a.m.Low-Cost, Scalable Optical PacketSwitching Networks with Multi-Wave-length Labels, Pegah Seddighian1, JoséBernardo Rosas-Fernández1, Simon Ayotte1,Leslie Ann Rusch1, Sophie LaRochelle1,Alberto Leon-Garcia2; 1Laval Univ.,Canada, 2Univ. of Toronto, Canada. Wepropose a self-forwarding packet-switchedoptical network with bit-parallel multi-wavelength labels. We experimentallydemonstrate transmission of variable-length optical packets over 80 km of fiberand switching over a 1x4 multistage switchwith two stages.

OThF6 • 9:30 a.m.Experimental Demonstration of an Opti-cal-Label-Switching Router ArchitectureSupporting Selective 3R Regeneration,Zuqing Zhu, Bo Xiang, Haijun Yang, S. J.Ben Yoo; Univ. of California at Davis, USA.We propose an optical-label-switchingrouter architecture that utilizes selective-3R to offer regeneration in a smart andefficient way with only limited 3R capabil-ity. The experiment demonstrates error-free operation of selective-3R with all-optical burst-mode clock recovery.

OThG5 • 9:30 a.m. InvitedTerahertz Applications and Techniques,Martin Koch; TU Braunschweig, Germany.We briefly review techniques for optoelec-tronic generation and detection of THzwaves and give examples for industrialapplications of THz imaging systems. Asan outlook we discuss the potential offuture wireless THz communication sys-tems.

NThA5 • 9:20 a.m.Field Installable LC Connector and Me-chanical Splice, Khee Yen Serin Tan1,Terutake Kobayashi2, Daigo Saito2,Kazuhiro Takizawa2, Kazuya Ogata2;1Fujikura Technology Singapore Pte Ltd,Singapore, 2Fujikura Ltd., Japan. This pa-per describes the development of the fieldinstallable LC connector and the mechani-cal splice. Both developments are an im-provement over existing techniques interms of operation, reliability and costs.

NThB4 • 9:20 a.m.Engineering a Scalable and BandwidthElastic Next Generation PON, StamatiosKartalopoulos, Andres Sierra; Univ. of Okla-homa, USA. We engineer and simulate thescalability and bandwidth elasticity of anext generation PON. Our scalable PONhierarchically combines WDM and TDM,and it connects 16,000 end-users withelastic bandwidth on demand with highperformance.

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OThA8 • 9:45 a.m.Evaluation of Rayleigh Scattering Loss inPhotonic Crystal Fibers by Using Bi-Directional OTDR Measurement, KyozoTsujikawa, Katsusuke Tajima, Koji Ieda,Kazuhide Nakajima, Kenji Kurokawa,Kazuyuki Shiraki, Izumi Sankawa; NTTAccess Network Service Systems Labs, Japan.We investigate the scattering loss in photo-nic crystal fibers with different structuresby using bi-directional OTDR measure-ment. Their intrinsic Rayleigh scatteringcoefficient is slightly less than that ofconventional pure silica core single-modefiber.

OThB7 • 9:45 a.m.All-Optical Clock Recovery Using theTemporal Talbot Effect, Dominik Pudo,Michal Depa, Lawrence R. Chen; McGillUniv., Canada. We demonstrate novel all-optical clock recovery for short pulsecommunication systems based on thetemporal Talbot effect. By simply propa-gating a data stream through 80 km ofsingle-mode fiber, we generate a periodicpulse train.

OThD7 • 9:45 a.m.Demonstration and Design of HighSpectral Efficiency 4Gb/s OFDM Systemin Passive Optical Networks, Yu-Min Lin;Industrial Technology Res. Inst., Taiwan.With OFDM’s spectral efficiency andelectrical signal processing power, we havedemonstrated that a 4Gb/s OFDM-16QAM signal can be transmitted errorfree in 20km passive optical networksusing cost-effective optical devices.

OThE5 • 9:45 a.m.Damage to Optical Networks by Wildlifeand Methods for Protecting ExistingOptical Fiber Cables in the FTTH Era,Hiroshi Tanaka, Tomoyuki Iwata, TetsuyaKaiden, Toshiyuki Nenoi, Hisashi Izumita;NTT East Technical Assistance & SupportCtr., Japan. This paper describes a 1999-2005 analysis of damage to optical net-works by wildlife and proposes methodsfor protecting existing optical fiber cables.These methods enable us to improve net-work reliability and reduce maintenancecosts.





10:00 a.m.–4:00 p.m. Exhibit Open

10:00 a.m.–10:30 a.m. Coffee Break, Exhibit Hall

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OThF7 • 9:45 a.m.Experimental Demonstration of a Com-plete SPINet Optical Packet SwitchedInterconnection Network, Assaf Shacham,Howard Wang, Keren Bergman; ColumbiaUniv., USA. A 4x4 fully implementedphotonic interconnection network is ex-perimentally demonstrated. The networkroutes 60 Gb/s wavelength-striped packets(6x10 Gb/s) error-free in the optical do-main, resolves contentions, and detectsdropped packets via a uniqueacknowledgement protocol.

NThA6 • 9:40 a.m.Accumulation of Particles Near the CoreDuring Repetitive Fiber ConnectorMatings and De-Matings, TatianaBerdinskikh1, Jeno Chen1, John M. Culbert2,David Fisher3, Sun-Yuan Huang4, Brian J.Roche5, Heather Tkalec6, Douglas H. Wil-son7, Steven B. Ainley7; 1Celestica Intl. Inc,Canada, 2Megladon Manufacturing GroupLtd, USA, 3Tyco Electronics, USA, 4IntelCorp., USA, 5Cisco Systems Inc., USA,6Alcatel Corp., Canada, 7PVI Systems Inc.,USA. The increased accumulation of par-ticles near the core during a series of mat-ing/de-mating operations was investi-gated. One cause for this accumulationwas ESD (electrostatic discharge) effectsfrom cleaning. Methods to prevent thisphenomenon were studied.

NThB5 • 9:40 a.m.Super-Broadband Access Services Deliv-ery in Optical-Wireless Networks,Zhensheng Jia1, Jianjun Yu2, GeorgiosEllinas3, Gee-Kung Chang1; 1Georgia Tech,USA, 2NEC Labs, America, USA, 3Univ. ofCyprus, Cyprus. We demonstrate the over-all architecture design for delivering futuresuper-broadband dual services over opti-cal fiber network. Several enabling tech-nologies for system integration and trans-mission of optical mm-wave over bothfiber and air are discussed.




10:00 a.m.–4:00 p.m. Exhibit Open

10:00 a.m.–10:30 a.m. Coffee Break, Exhibit Hall

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10:30 a.m.–12:30 p.m.OThH • Optical WaveguideDevicesHiroshi Takahashi; NTTPhotonics Labs, Japan, Presider

10:30 a.m.–12:30 p.m.OThI • Optical Processing IILuc Boivin; Verizon Business,USA, Presider

10:30 a.m.–12:30 p.m.OThJ • Optical NetworkSurvivabilityDominic A. Schupke; Siemens,Germany, Presider

10:30 a.m.–12:30 p.m.OThK • Receiver DesignHerbert F. Haunstein; Univ.Erlangen-Nürnberg, Germany,Presider

10:30 a.m.–12:30 p.m.OThL • TransmissionExperimentsHarshad P. Sardesai; Ciena Corp.,USA, Presider

OThL1 • 10:30 a.m.Fully Transparent Multiplexing andTransport of 10GbE-LANPHY Signals in44.6-Gbit/s-Based RZ-DQPSK WDMTransmission, Yoshiaki Kisaka1, ShigekiAisawa1, Masahito Tomizawa1, YutakaMiyamoto1, Kazuhiko Terada2, NoboruIwasaki2, Akihide Sano1, Hiroji Masuda1,Masafumi Koga1; 1NTT Network Innova-tion Labs, NTT Corp., Japan, 2NTTMicrosystem Integration Labs, NTT Corp.,Japan. We successfully demonstrate trans-parent 10GbE-LANPHY transport in44.6-Gbit/s RZ-DQPSK WDM transmis-sion for the first time. A single-chip 43/44-Gbit/s OTN framer LSI that supports fullytransparent STM-64/10GbE multiplexingand DQPSK precoding are adopted.

OThK1 • 10:30 a.m.DPSK Receiver Design—Optical Filter-ing Considerations, Christian Malouin,Jon Bennike, Ted Schmidt; StrataLightCommunications, USA. We study via simu-lation the influence of the DPSK decoderfree spectral range (FSR) when strongoptical filtering is considered for the NRZand RZ modulation formats and showthat larger FSR can improve performance.

OThJ1 • 10:30 a.m. InvitedService Availability in Optical NetworkDesign, Monika Jaeger; T-Systems, Ger-many. The paper explores survivabilityconcepts for the migration to carrier classnext generation IP services over opticaltransport networks. Design criteria forhighly available optical networks are pro-posed and tradeoffs of different ap-proaches are analyzed.

OThI1 • 10:30 a.m.The Photonic Bottleneck, Kerry J.Hinton1, Peter M. Farrell2, Rodney S.Tucker1; 1ARC Special Ctr. for Ultra-Broad-band Information Networks, Australia,2Natl. ICT Australia, Australia. By analyz-ing the basic physics of all-optical pro-cesses, we show that all-optical networkswill suffer a “photonic bottleneck” due tothe fundamental properties of photons.

OThH1 • 10:30 a.m. Tutorial

High Density Integration of FunctionalOptical Circuits with Higher Index Dif-ference, Brent Little; Little Optics, USA.High index contrast waveguides allow forminiaturization of optical building blocksresulting in densely integrated opticalcircuits. We review the state of the art incommercialization of high index contrastcircuits focusing on materials and fabrica-tion, optical building block designs, andcompact optical circuits.

Dr. Little received his Ph.D. in electricalengineering from the University of Water-loo, Canada in 1994. Subsequently, Dr.Little served as a Research Scientist at theMassachusetts Institute of Technologyworking with Prof. Haus, a Research Fac-ulty member at the University of Mary-land College Park, and has held researchpositions at Nortel Networks Canada andFujitsu Labs in Japan. In 2000 he co-founded Little Optics Inc., and served asPresident and Chief Technology Officeruntil the company was acquired byNomadics in December of 2004 and sub-sequently by Infinera in 2006. AtNomadics he served as Vice President ofPlanar Lightwave Circuits, and currentlywith Infinera he is Director of PLCDesign.

OThI2 • 10:45 a.m.Ultrafast All-Optical Differentiators forGeneration of Orthogonal (Sub-)Pico-second Hermite-Gaussian Waveforms,Yongwoo Park1, Radan Slavík2, José Azaña1;1INRS-EMT, Canada, 2Inst. of Radio Engi-neering and Electronics, Acad. of Sciences ofthe Czech Republic, Czech Republic. A novelreconfigurable technique for higher-ordertemporal differentiation of ultrafast opti-cal waveforms is proposed. Using thismethod, we experimentally demonstrateefficient generation of temporally or-thogonal second and third-order Hermite-Gaussian waveforms in the (sub-)picosec-ond regime.

OThK2 • 10:45 a.m.IMDD Transmission over 1,040 km ofStandard Single-Mode Fiber at 10Gbit/sUsing a One-Sample-per-Bit Reduced-Complexity MLSE Receiver, Sebastian J.Savory1, Y. Benlachtar1, Robert I. Killey1,Polina Bayvel1, Gabriella Bosco2, PierluigiPoggiolini2, Josep Prat3, Mireia OmellaCancer3; 1Univ. College of London, UK,2Politecnico di Torino, Italy, 3Univ.Politecnica de Catalunya, Spain. We dem-onstrate 1,040km NRZ-IMDD transmis-sion at 10Gbit/s over G.652 fibre, withoutany optical dispersion compensation,using a reduced-complexity MLSE re-ceiver employing, for the first time at thisdistance, one sample per bit only.

OThL2 • 10:45 a.m.42.8 Gbit/s, 4 Bits per Symbol 16-aryInverse-RZ-QASK-DQPSK TransmissionExperiment without Polmux, MuratSerbay1, Torger Tokle2, Palle Jeppesen2,Werner Rosenkranz1; 1Univ. of Kiel, Ger-many, 2COM DTU, Denmark. We presentan experimental implementation of 16-ary 42.8 Gbit/s Inverse-RZ-QASK-DQPSK, using four-level inverse return-to-zero amplitude modulation with four-level differential phase modulation. Wedemonstrate transmission over a 75 kmfibre span with only minor degradation.

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10:30 a.m.–12:30 p.m.OThM • Hybrid OpticalWirelessMilorad Cvijetic; NEC Corp.,USA, Presider

10:30 a.m.–12:30 p.m.OThN • Signal Measurementand EqualizationGregory Raybon; LucentTechnologies, USA, Presider

10:30 a.m.–12:30 p.m.NThC • Intelligent OpticalNetworksMark Allen; Infinera, USA,Presider

10:30 a.m.–12:30 p.m.NThD • Ethernet and VideoService ArchitecturesStevan E. Plote, Sr.; Infinera, USA,Presider

NThD1 • 10:30 a.m. InvitedCarrier Ethernet: A Reality Check, StuartD. Elby, Haidar A. Chamas, William A.Bjorkman, Vincent A. Alesi; Verizon Com-munications, USA. This paper provides acurrent assessment of Carrier Ethernetfrom a service provider perspective. Ithighlights the drivers and key attributes ofCarrier Ethernet and discusses some re-maining gaps and challenges.

NThC1 • 10:30 a.m. InvitedOptical Meshed Networks: From Con-cept to Deployment, Hans-JürgenSchmidtke, Michel Chbat; Siemens Com-munications, USA. The paper discusses thefundamental conceptual work and thedesign building blocks of a meshed opticalnetworks and gives a future outlook of thenext generation optical platforms.

OThN1 • 10:30 a.m.Simultaneous Measurement of Disper-sion Parameter and Length of an OpticalFiber by Using a Direct Lasing ModeDetection Technique, Ki-hong Yoon1,Young Cheol Kim2, Jae-Won Song2, HyunDeok Kim2; 1Electronics and Telecommuni-cations Res. Inst., Republic of Korea,2Kyungpook Natl. Univ., Republic of Korea.A simultaneous measurement techniqueof the dispersion parameter and the lengthof an optical fiber has been demonstrated.The measurement errors were less than0.14% for the length and 1.7% for thedispersion parameter.

OThM1 • 10:30 a.m. InvitedHybrid Optical-Wireless Networks,Sudhir Dixit; Nokia Res., USA. In this talkwe explore why, what, and how of theoptical-wireless convergence, identify howthe industry viewpoints align, and discussthe key barriers and solutions to achievingtrue convergence.

OThN2 • 10:45 a.m.Simultaneous and Independent Monitor-ing of OSNR, Chromatic and Polariza-tion Mode Dispersion for NRZ-OOK,DPSK and Duobinary, Yannick KeithLizé1,2,3, Jeng-Yuan Yang2, Louis C. Chris-ten2, Xiaoxia Wu2, Scott Nuccio2, Teng Wu2,Alan E. Willner2, Raman Kashyap1, FrançoisSéguin3; 1École Polytechnique de Montréal,Canada, 2Univ. of Southern California,USA, 3ITF Labs, Canada. We demonstrateexperimentally and through simulations asimultaneous and independent monitor-ing of CD, PMD and OSNR using a 1/4-bit delay Mach-Zehnder interferometerfor NRZ-OOK, DPSK and Duobinarymodulation formats.

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OThH • Optical WaveguideDevices—Continued

OThI • OpticalProcessing II—Continued

OThJ • Optical NetworkSurvivability—Continued

OThK • Receiver Design—Continued

OThL • TransmissionExperiments—Continued

OThH2 • 11:30 a.m.Waveguide Technology DevelopmentBased on Temperature- and Humidity-Resistant Low-Loss Silsesquioxane Poly-mer for Optical Interconnects, RogerDangel1, Rene Beyeler1, Folkert Horst1,Norbert Meier1, Bert J. Offrein1, BrunoSicard2, Matt Moynihan2, Philip Knudsen2,Ed Anzures2; 1IBM Res. Div., Switzerland,2Rohm and Haas Electronic Materials LLC,USA. We have jointly developed the mate-rial and processes to integratesilsesquioxane optical waveguides onprinted circuit boards for high-speeddatacom applications, using a low-loss,reliable and commercially available poly-mer designed for 850 nm.

OThI3 • 11:00 a.m. InvitedOptical Signal Processing Based on All-Optical Analog-to-Digital Conversion,Akihiro Maruta, Sho-ichira Oda; OsakaUniv., Japan. Fiber nonlinearities provideus attractive functions for optical signalprocessing. In this paper, we focus ourattention on all-optical analog-to-digitaland digital-to-analog conversion schemeswhich be applied for wide variety of signalprocessing.

OThJ2 • 11:00 a.m.Meeting SLAs by Design: A ProtectionScheme with Memory, Ori Gerstel1, GalenH. Sasaki2; 1Cisco Systems, USA, 2Univ. ofHawaii, USA. A protection scheme isintroduced that insures connections meettheir SLAs with limited protection band-width. The network keeps track of theamount of outage each connection experi-ences, and protects them before they vio-late their SLAs.

OThK3 • 11:00 a.m.Nonlinear Equalizers in NarrowbandFilter Receiver Achieving 950 ps/nmResidual Dispersion Tolerance for 40Gb/s Optical MSK Transmission Systems,Thirukkumaran Sivahumaran, Thanh L.Huynh, Khee Khok Pang, Le Nguyen Binh;Dept. of Electrical and Computer SystemsEngineering, Monash Univ., Australia. Wepropose nonlinear equalizers that extendthe reach of dispersion tolerance of 40Gb/s optical MSK systems to ±952 ps/nm and±884 ps/nm at BER = 1e-9 with requiredOSNR of 23.5dB and 19dB respectively.

OThL3 • 11:00 a.m. InvitedModulation/Demodulation Schemes forOptical Multi-Level Transmission,Nobuhiko Kikuchi, Kenro Sekine, ShinyaSasaki; Central Res. Lab, Hitachi Ltd.,Japan. The optical multilevel signaling is apromising candidate to realize next-gen-eration high-speed transceivers beyond 40Gbit/s, or ultimate-capacity DWDM sys-tem. This paper discusses advancedmodulation/demodulation schemes to-ward the practical implementation ofmore than 16-level signaling.

OThK4 • 11:15 a.m. InvitedCoherent Receivers for Practical OpticalCommunication Systems, Andreas Leven,Noriaki Kaneda, Ut-Va Koch, Young-kaiChen; Lucent Technologies, USA. Coherentreceivers that utilize electrical signal pro-cessing techniques have attracted in-creased attention over the last couple ofyears. In this paper, we will discuss somepractical aspects of these receivers andpresent some recent results.

OThI4 • 11:30 a.m.A Reconfigurable All-Optical AND/ORLogic Gate Using Multilevel Modulationand Self-Phase Modulation, Li Huo,Chinlon Lin, Chun-Kit Chan, Lian-KuanChen; Dept. of Information Engineering,Chinese Univ. of Hong Kong, Hong Kong.We demonstrated a reconfigurable andpolarization-independent all-optical logicgate based on multilevel modulation.Reconfigurable logic AND and OR opera-tions were realized by simply adjusting thecenter frequency of an optical band-passfilter.

OThJ3 • 11:15 a.m.Impacts of Multiple Backups and Multi-Link Sharing among Primary and Back-ups for Dynamic Service Provisioning inSurvivable Mesh Networks, Lei Song,Biswanath Mukherjee; Univ. of Californiaat Davis, USA. We propose a reliabilityanalysis for connections with 1+N protec-tion and primary-backup k-link sharing.We develop a cost-effective dynamic pro-visioning scheme to carry connectionswhich have stringent SLA requirementswith availability guarantee and resourceefficiency.

OThJ4 • 11:30 a.m.Backup Reprovisioning after Shared RiskLink Group (SRLG) Failures in Surviv-able WDM Mesh Networks, Xu Shao,Luying Zhou, Yixin Wang; Inst. forInfocomm Res., Singapore. Compared tosingle-link failures, SRLG failures willleave much more connections vulnerableto next failures. We investigate benefits ofbackup reprovisioning after SRLG failuresand evaluate different policies for backupreprovisioning.

OThL4 • 11:30 a.m.Inline Pump Sharing Architecture forRemotely-Pumped Pre- and Post-Ampli-fiers, Serguei Papernyi; MPB Communica-tions Inc, Canada. A new transmission linkconfiguration with remote Er post- andpre-amplifiers where pump power isshared between a pair of fibers carryingtraffic in opposite directions is proposed.A budget increase of >4dB is demon-strated.

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OThM • Hybrid OpticalWireless—Continued

OThN • Signal Measurementand Equalization—Continued

NThC • Intelligent OpticalNetworks—Continued

NThD • Ethernet and VideoService Architectures—Continued

OThM2 • 11:00 a.m.A Novel Full-Duplex Wavelength-ReuseOptical-Wireless Architecture with Di-rectly Modulated SOA as Upstream Col-orless Amplified Modulator, ZhenshengJia1, Jianjun Yu2, Georgios Ellinas3, Gee-Kung Chang1; 1Georgia Tech, USA, 2NECLabs America, USA, 3Univ. of Cyprus,Cyprus. We demonstrate full-duplex opti-cal-wireless architecture using opticalphase modulator and interleaver fordownstream optical mm-wave generationand wavelength reuse for upstream. Di-rectly modulated SOA is employed toeliminate amplifiers and external modula-tors at base station.

OThN3 • 11:00 a.m. InvitedHigh Resolution Optical Waveform andEye Diagram Monitoring, PeterAndrekson; Chalmers Univ. of Technology,Sweden. Techniques to analyze opticalwaveforms with high resolution are dis-cussed. Emphasis is on all-optical sam-pling offering high resolution with excel-lent sensitivity. We also discuss techniquesto analyze the complete optical field ofhigh bit-rate signals.

NThC2 • 11:10 a.m.Cost vs. Capacity Tradeoff with SharedMesh Protection in Optical-Bypass-Enabled Backbone Networks, Jane M.Simmons; Monarch Network Architects,USA. Shared mesh protection based oncross-connecting pre-deployed protectionsubconnections is well suited for the opti-cal-bypass-enabled networks currentlybeing deployed. This scheme poses a cost-versus-capacity tradeoff, which is investi-gated through studies on several realisticbackbone networks.

NThD2 • 11:10 a.m.Video Transport and Distribution forIPTV Networks, Matt Hallam, TomRarick; Tellabs, USA. An end to end archi-tecture is needed to help carriers costeffectively meet emerging video demands.An architecture containing ROADM basedtransport and flexible access provides thescale for video while affording significantCapEx savings.

OThM3 • 11:15 a.m.MARIN Hybrid Optical-Wireless AccessNetwork, Wei-Tao Shaw, Shing-Wa Wong,Ning Cheng, Leonid Kazovsky; Photonics &Networking Res. Lab, Stanford Univ., USA.A novel hybrid optical-wireless accessnetwork is proposed for metropolitanarea. This novel architecture consists ofwireless mesh networks and areconfigurable optical backhaul and ag-gregation network based on TDM-PONtechnology.

OThM4 • 11:30 a.m.RADAR: Risk-and-Delay Aware RoutingAlgorithm in a Hybrid Wireless-OpticalBroadband Access Network (WOBAN),Suman Sarkar1, Hong-Hsu Yen2, SudhirDixit3, Biswanath Mukherjee1; 1Univ. ofCalifornia at Davis, USA, 2Dept. of Infor-mation Management, Shih Hsin Univ.,Taiwan, 3Nokia Res. Ctr., USA. We propose“Risk-and-Delay Aware Routing Algo-rithm” (RADAR) for WOBAN. RADARminimizes packet delay in the wirelessfront end of WOBAN and reduces packetloss for multiple failure scenarios: gatewayfailure, ONU failure, and OLT failure.

OThN4 • 11:30 a.m.Optical Equalization of 42.7-GbaudBand-Limited NRZ-DQPSK Signals forHigh-Spectral-Efficiency Transmission,Alan H. Gnauck1, Chris Doerr1, PeterWinzer1, Steven Cabot1, Mark Cappuzzo1,Evans Chen1, Annjoe Wong-Foy1, LouisGomez1, Mike Santo1, Tetsuya Kawanishi2,Takahide Sakamoto2; 1Bell Labs, LucentTechnologies, USA, 2Natl. Inst. of Info. andComm., Japan. We demonstrate the use ofan optical equalizer to allow a 42.7-Gbaud(85.4-Gb/s) NRZ-DQPSK signal to toler-ate the narrow optical filtering required inhigh-spectral-efficiency systems. Theequalizer passbands are repetitive, en-abling equalization of multiple channels.

NThC3 • 11:30 a.m.Deployment of Carrier-Grade Band-width-on-Demand Services over OpticalTransport Networks: A Verizon Experi-ence, Stephen S. Liu, Lily F. Chen; VerizonTechnology Organization, USA. In 2006,Verizon launched the Bandwidth-on-Demand trial in New York City, as a pre-cursor to the formal rollout of Just-in-Time Provisioning service in 2007.Theservice features reduced provisioningintervals achieved by a GMPLS controlplane.

NThD3 • 11:30 a.m.Digital Terrestrial Broadcasting Trans-port System in SDH Network, AyakoMurakami1, Akira Agata1, Yukio Horiuchi1,2,Jun Miura2, Nobuo Furuya2; 1KDDI R&DLabs, Japan, 2KDDI Corp., Japan. We havedeveloped a digital terrestrial broadcastingtransport system to realize the broadcastinfrastructure based on a SDH network,and confirmed a high accurate frequencytransmission of OFDM sample clock in aSDH network.

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OThH3 • 11:45 a.m.Ultra-Wide-Band Low Loss and PDL1x32 Splitter Polymer Optical WaveguideChip and Module, Shotaro Takenobu,Yasuhiro Kuwana, Kousuke Takayama,Yoshitomi Morizawa; Asahi Glass Co., Ltd.,Japan. Comparable optical properties tosilica were shown by our 1x32 splitterpolymer optical waveguide with dopant-free perfluoropolymer core. Insertionlosses and polarization dependent losses at1.31, 1.55, and even 1.65um were <16.3dB,<0.15dB, respectively.

OThI5 • 11:45 a.m.All-Optical Combination of DPSK andOOK to 160 Gbit/s DQPSK Data Signals,Michael Galili1, Bernd Huettl2, CarstenSchmidt-Langhorst2, Reinhold Ludwig2,Fumio Futami3, Shigeki Watanabe3, ColjaSchubert2; 1COM-DTU, Denmark,2Fraunhofer Inst. for Telecommunications,Heinrich-Hertz-Inst., Germany, 3FujitsuLabs Ltd., Japan. All-optical combinationof a DPSK and an OOK data signal to 160Gbit/s DQPSK is proposed and demon-strated using highly nonlinear fibre. Error-free operation of the combiner is shownmid-span in a 320km transmission link.

OThJ5 • 11:45 a.m.Survivable Differential Delay AwareMulti-Service Over SONET/SDH Net-works with Virtual Concatenation,Sheng Huang1,2, Smita Rai3, BiswanathMukherjee3; 1Dept. of Electrical and Com-puter Engineering, Univ. of California atDavis, USA, 2Optical Networking Compo-nent Group, Intel Corp., USA, 3Dept. ofComputer Science, Univ. of California atDavis, USA. We propose a model for dif-ferential-delay compensation and twoapproaches for provisioning survivableservice on Data-over-SONET/SDH net-works with virtual concatenation. Ourapproaches optimize the resource subjectto the constraint of differential-delaycompensation.

OThK5 • 11:45 a.m.10 Gb/s AC-Coupled Digital Burst-ModeOptical Receiver, Benn C. Thomsen, Ben-jamin J. Puttnam, Polina Bayvel; Univ.College London, UK. A 10Gb/s NRZ digitalburst-mode optical receiver without anyline-coding has been realized using an AC-coupled photodiode and asynchronous20GS/s ADC. Symbol timing, amplitudeand baseline wander corrections areimplemented with digital signal process-ing.

OThL5 • 11:45 a.m.Local Dispersion Map Deviations inMetro-Regional Transmission Investi-gated Using a Dynamically Re-Configurable Re-Circulating Loop,Daniel C. Kilper, SethumadhavanChandrasekhar, Ellsworth Burrows, LarryBuhl, Joe Centanni; Bell Labs, Lucent Tech-nologies, USA. The performance of40x10.7 Gb/s NRZ-OOK signals is mea-sured in a dynamically re-configurable re-circulating loop experiment with localdispersion map variations up to +/-120ps/nm and mean residual-dispersion per-span between 10.3-54.0 ps/nm over28x27dB spans.

OThH • Optical WaveguideDevices—Continued

OThI • OpticalProcessing II—Continued

OThJ • Optical NetworkSurvivability—Continued

OThK • Receiver Design—Continued

OThL • TransmissionExperiments—Continued

OThL6 • 12:00 p.m.IFWM Suppression in NRZ Transmis-sion Experiment at 40 Gb/s Using Asyn-chronous Phase Modulation, MarcoForzati, Anders Berntson, JonasMårtensson, Anders Djupsjöbacka; Acreo,Sweden. Asynchronous Phase Modulation(APM) scheme is experimentally studiedfor the first time. APM is shown to in-crease the power tolerance of NRZ-OOKover a 3x75-km link.

OThK6 • 12:00 p.m.A 2.5 Gb/s Edge-Detecting Burst-ModeReceiver for GPON Access Networks,Emilio Hugues-Salas, Rouzbeh Razavi,Terence Quinlan, Manoj Thakur, StuartWalker; Univ. of Essex, UK. We describe a2.5 Gb/s burst-mode receiver featuringedge-detecting data recovery. A high-performance SiGe comparator and stan-dard optical front-end combination re-moved all burst-format issues. Error-freeperformance was achieved in a 32 kmradius GPON test-bed.

OThJ6 • 12:00 p.m.Novel Redundancy Design Methodologyfor an Optimal PON Protection Architec-ture, Young Min Kim1, Mi Sun Ryu1, HongShik Park1, Jeong Ju Yoo2; 1Information andCommunication Univ., Republic of Korea,2ETRI, Republic of Korea. We present novelredundancy methodology to design asurvivable PON and demonstrate theefficiency of our redundancy methodol-ogy by analyzing the performance of de-rived protection architecture in terms ofavailability and cost perspective.

OThI6 • 12:00 p.m. InvitedDigitization of Microwave Signals withSpatial Spectral Holography, Wm.Randall Babbitt; Montana State Univ.,USA. A new optical approach to broad-band analog-to-digital conversion is dis-cussed, which directly records signals inthe frequency domain. This frequency-domain stretch processor can achieve 10-bit performance at 20GSPS and is extend-able to signals over 100GHz.

OThH4 • 12:00 p.m. InvitedLight-Induced Self-Written Three-Di-mensional Polymer Optical Waveguidefor Module Fabrication and Interconnec-tion, Manabu Kagami, Tatsuya Yamashita,Masatoshi Yonemura, Akari Kawasaki,Masaaki Tsuchimori, Takayuki Matsui;Toyota Central R&D Labs, Japan. Light-induced self-written (LISW) technology isa unique and simple method of forminglow-loss 3-dimensional optical circuits ina photopolymer solution. By using thistechnology, we fabricated and tested aWDM optical module.

OThJ7 • 12:15 p.m.Towards a Cryptanalysis of Spectral-Phase Encoded Optical CDMA withPhase-Scrambling, Sharon Goldberg1,Ronald C. Menendez2, Paul R. Prucnal1;1Dept. of Electrical Engineering, PrincetonUniv., USA, 2Telcordia Technologies, Ap-plied Res., USA. We show how an eaves-dropper with a small amount of knowl-edge about the traffic sent via a spectral-phase optical CDMA system with phase-scrambling can break the confidentially ofcertain systems within a few bit intervals.

OThK7 • 12:15 p.m.Adaptive Polarization Tracking andEqualization for Polarization-DiverseIntradyne Receiver of On-Off Keying(OOK), Ut-Va Koc; Bell Labs, Lucent Tech-nologies, USA. We propose using on-off-keying with an adaptive algorithm toresolve issues in coherent communicationto track fast polarization without phasesynchronization. This allows polarization-multiplexed transmission and compensa-tion of impairments, making coherentdetection feasible for implementation.

OThL7 • 12:15 p.m.Evaluation of Chirp-Managed Lasers in aDispersion Managed DWDM Transmis-sion over 24 Spans, SethumadhavanChandrasekhar1, Daniel C. Kilper1, XueyanZheng2, Daniel Mahgerefteh2, Y. Matsui2, K.McCallion2, Z. Fan2, P. Tayebati2; 1Bell Labs,Lucent Technologies, USA, 2AZNA LLC,USA. We report the first long-haulDWDM transmission using three chirp-managed lasers spaced 50-GHz apart inSSMF at 10-Gb/s. Transmission penaltiesless than 0.7dB over a dispersion-managed1980-km link was measured with perfor-mance comparable to NRZ-OOK.

12:30 p.m.–3:00 p.m. Lunch (on your own)

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OThM5 • 11:45 a.m.Demonstration of a Novel WDM-PONAccess Network Compatible with ROFSystem to Provide 2.5Gb/s per ChannelSymmetric Data Services, Jianjun Yu1,Zhensheng Jia2, Ting Wang1, Gee-KungChang2, Georgios Ellinas3; 1NEC LabsAmerica, USA, 2Georgia Tech, USA, 3Univ.of Cyprus, Cyprus. We present the firstdemonstration of an agile WDM-PONarchitecture compatible with radio-over-fiber system to provide 2.5Gbit/s symmet-ric data services. Several enabling tech-niques are employed to increase transmis-sion capacity while keeping low cost.

OThN5 • 11:45 a.m.Electronic Dispersion Compensation of40-Gb/s Multimode Fiber Links UsingIIR Equalization, George Ng, Anthony C.Carusone; Univ. of Toronto, Canada. Simu-lations demonstrate a 3rd order IIR equal-izer compensates for modal dispersion inover 90% of the 5% worst-case 50-mmultimode fiber links at 40Gbps with lessthan 2.5dB ISI penalty and 0.15 UI ofjitter.

NThC4 • 11:50 a.m.On Using Fast Signalling to ImproveRestoration in Multilayer Networks,Américo F. Muchanga1, Antoine B.Bagula1,2, Lena Wosinska1; 1Royal Inst. ofTechnology KTH, Sweden, 2Univ. ofStellenbosch, South Africa. We present afast signalling scheme where intra-layersignalling and inter-layer communicationare used to reduce the recovery operationtime. Simulation reveals the efficiency ofthe scheme compared to normal signallingstrategies.

NThD4 • 11:50 a.m.Digital Protection for Ethernet andVideo Transport Oriented Metro OpticalNetworks, Vijay Vusirikala, Serge Melle;Infinera, USA. We describe a digital pro-tection scheme based on integrated sub-wavelength switching that is optimized forEthernet and video-transport orientedmetro optical networks. Results from aquantitative analysis illustrate the signifi-cant benefits over traditional protectionmethods.

OThM • Hybrid OpticalWireless—Continued

OThN • Signal Measurementand Equalization—Continued

NThC • Intelligent OpticalNetworks—Continued

NThD • Ethernet and VideoService Architectures—Continued

OThN6 • 12:00 p.m. InvitedAdvances in 40G Electronic Equalizers,Makoto Nakamura, Koichi Murata,Masami Tokumitsu; NTT Photonics Labs,Japan. Progress in LSI technologies andcircuit techniques has led to 40-Gbit/selectronic equalizers. A new InP-HBTdecision-feedback-equalizer IC using acircuit technique that boosts speed exhib-its good performance at 40 Gbit/s.

OThM6 • 12:00 p.m.1.92 Gbit/s MB-OFDM Ultra Wide BandRadio Transmission over Low BandwidthMultimode Fiber, Anna Pizzinat, PierreUrvoas, Benoît Charbonnier; FranceTelecom Res. and Development, France. Wedemonstrate the feasibility of using lowbandwidth multimode fiber to transmit3x640Mbit/s MB-OFDM UWB radiosignals with pre-distortion over a distanceof 500 m by means of a low cost VCSEL.

OThM7 • 12:15 p.m.Simultaneous Modulation and Transmis-sion of FTTH Baseband and Radio Sig-nals on a Single Wavelength, Chun-TingLin1, Cheng-Feng Peng1, Peng-Chun Peng2,Jyehong Chen1, Wei-Ren Peng1, Bi-ShiouChiou1, Sien Chi1,3; 1Natl. Chiao-TungUniv., Taiwan, 2Natl. Chi Nan Univ., Tai-wan, 3Yuan-Ze Univ., Taiwan. We proposea hybrid optical access network integratingwired-line FTTH baseband and wirelessRF signals sharing a single distributedinfrastructure. After transmitted over50km optical fiber, power penalties forboth signals are less than 0.2dB.

NThC5 • 12:10 p.m.Robust Timely Scheduled Optical BurstSwitching, Oliver Yu, Huan Xu, Leping Yin;Univ. of Illinois at Chicago, USA. The two-way reservation based optical-burst-switching scheme is implemented overexisting distributed-control optical-cir-cuit-switching networks through the novelrobust timely scheduled reservation pro-tocol to guarantee data delivery and mini-mize burst blocking while maximizingwavelength utilization.

NThD5 • 12:10 p.m.Cost-Effective Optical Access UpgradesUsing Wavelength Shared Hybrid PassiveOptical Network Architecture, MartinBouda, Paparao Palacharla, YouichiAkasaka, Alexander Umnov, Cechan Tian,Takao Naito; Fujitsu Labs of America, USA.We propose and demonstrate a novelWavelength Shared Hybrid Passive OpticalNetwork (WS-HPON) architecture forsymmetric Gigabit PON capacity up-grades with installed equipment re-use, tobridge the technology gap between Giga-bit- and WDM-PON systems cost-effec-tively.

12:30 p.m.–3:00 p.m. Lunch (on your own)

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12:30 p.m.–3:00 p.m.JThA • Joint Poster Session II

JThA1Fabrication of Helicoidal Long-PeriodFiber Gratings by Twisting a StandardSingle Mode Fiber, Woojin Shin, B.-A. Yu,T.J. Eom, Y.L. Lee, Y.C. Noh, J.M. Lee, D. K.Ko; Advanced Photonics Res. Inst., Republicof Korea. We report a new method of fab-rication of helicoidal long-period fibergratings by twisting a single mode fiberwith CO

2 laser beam. The transmission

characteristics of helicoidal long-periodfiber gratings were experimentally demon-strated.

JThA2Quasi Single-Mode Fiber for the Cost-Effective Implementation of BroadbandAccess Networks, Seung Pil Jung1, KyungGoo Lee2, Chang Hyun Jung2, Jun HaengLee1, Eui Seung Son1, Jang Won Chae1, YunC. Chung1; 1KAIST, Republic of Korea,2Optomagic, Republic of Korea. We de-signed and fabricated quasi single-modefiber (QSMF) for the cost-effective imple-mentation of broadband access networks.The core diameter of QSMF was 20-µm.Using this fiber, we demonstrated thetransmission of 10-Gb/s signal over 2-km.

JThA3Application of Coherent Anti-StokesRaman Scattering Microscopy UsingPhotonic Crystal Fiber with Two Zero-Dispersion Wavelengths, BassamMansour1, Craig Brideau2, SangeetaMurugkar1, Andrew Ridsdale2, Shawky ElMougy1, Hanan Anis1, Peter Stys2; 1School ofInformation Technology and Engineering(SITE), Univ. of Ottawa, Canada, 2Div. ofNeuroscience, Ottawa Health Res. Inst.,Univ. of Ottawa, Canada. We demonstratespectral multiplex CARS microscopybased on a broadband source and a twozero-dispersion wavelength PCF. Thequality of the images is similar to thoseobtained from technically more complexand expensive sources.

JThA4Collectively Fabricated Spherical LensedFiber Array Based on Chemical Etchingand Polishing Techniques, AkinoriSugimura, Masaru Sasaki, Masahiro Saito,Tadashi Sonobe, Nobuo Imaizumi; NamikiPrecision Jewel Co., Ltd., Japan. A simplefabrication method for spherical lensedfiber array (SLFA) is developed. All fibersof SLFA are handled collectively throughthe etching and polishing processes. Far-field patterns were measured. Tip radii ofcurvature were 10±1µm.

JThA5Novel Local Liquid-Core Single-ModeFiber for Dispersion Engineering UsingSubmicron Tapered Fiber, Nan-KuangChen1, Sien Chi1,2; 1Dept. of Photonics &Inst. of Electro-Optical Engineering/Natl.Chiao Tung Univ., Taiwan, 2Dept. of Elec-trical Engineering, Yuan Ze Univ., Taiwan.A capillary is threaded with a submicron-tapered-fiber and then stretched. Thestretched capillary, serving as a new clad-ding, with submicron-tapered-fiber insideis infiltrated with optical liquid, acting as anew core, for novel dispersion engineer-ing.

JThA6Enhancement of the StimulatedBrillouin Scattering of Higher-OrderAcoustic Modes in Hole-Assisted Fibers,Kunimasa Saitoh, Hironori Nagano,Nikolaos Florous, Masanori Koshiba;Hokkaido Univ., Japan. By using an accu-rate numerical method we show that boththe higher-order peaks and main peak ofthe SBS in hole-assisted-fibers can beenhanced by more than 3-dB, by appro-priate selection of the design parameters.

JThA7Over 5-Months Long-Term PMD Con-tinuous Measurement in Installed FiberCables with an Exposed Fiber Section,Takeshi Kawasaki, Wataru Ichihara,Tomoyoshi Kataoka, Shinji Matsuoka; NTTCorp., Japan. We report continuous PMDmeasurements (> 5-months) of installedfiber cables with exposed fiber section.Standard deviations of measured meanDGD with large daily fluctuations liewithin theoretical uncertainties. Accuracyis related to measurement intervals.

JThA8Compact All-Fiber Mach-Zehnder Inter-ferometers Formed in Photonic CrystalFiber, HaeYoung Choi, Myoung Jin Kim,Byeong Ha Lee; Gwangju Inst. of Scienceand Technology, Republic of Korea. Wepropose simple but very effective methodsfor implementing all-PCF Mach- Zehnderinterferometers. The interference proper-ties between the core and cladding modesof a PCF are investigated with respect tothe interferometer length.

JThA9S Band Erbium-Doped Fiber Ring LaserTunable through the Active Fiber Bend-ing Losses, Matteo Foroni1, Federica Poli1,Annamaria Cucinotta1, Stefano Selleri1,Paolo Vavassori2; 1Univ. of Parma, Italy,2Petroceramics S.r.l., Italy. A S band single-frequency depressed-cladding erbium-doped fiber ring laser which can be tunedthrough the active fiber bending losses ispresented. A tuning range of 44 nm, be-tween 1491 and 1535 nm, has been dem-onstrated.

JThA1040 GHz Actively Mode-Locked Erbium-Doped Fiber Ring Laser Using anElectro-Absorption Modulator and aLinear Optical Amplifier, Lixin Xu1,2, L. F.K. Lui1, P. K. A. Wai1, H. Y. Tam1, C. Lu1;1Hong Kong Polytechnic Univ., China,2Univ. of Science and Technology of China,China. We demonstrated a 40-GHz ac-tively mode-locked erbium-doped fiberlaser that incorporates an EAM and aLOA. Stable pulses with peak power of 46-mW and pulsewidth of 2.8-ps are ob-tained when pumped with 100-mw.

JThA11Tunable Ultrafast and Ultraslow Light inErbium Doped Waveguide at Room Tem-perature, Peng-Chun Peng1, Chun-ChenChiang2, Jyehong Chen2, Chun-Ting Lin2,Sien Chi2; 1Natl. Chi Nan Univ., Taiwan,2Natl. Chiao-Tung Univ., Taiwan. Thisinvestigation experimentally demonstratestunable ultrafast and ultraslow light in anerbium doped waveguide for the firsttime. Group velocity of about -67.5 m/s(fast light) and 12.4 m/s (slow light) arereported.

JThA12Pump-to-Stokes Transfer of RelativeIntensity Noise in Brillouin Fiber RingLasers, Jihong Geng, Shibin Jiang; NPPhotonics, USA. Pump-to-Stokes RINtransfer function in Brillouin ring lasers isstudied experimentally in frequency andtime domain, indicating 40-60dB RINreduction at anti-resonant frequencies. Atresonant frequencies the transfer functionis still much lower than unity.

JThA13Design Optimization of High Power andLow RIN Lasers for Efficient Raman Co-Pumping, Stefano Faralli, GabrieleBolognini, Fabrizio Di Pasquale; ScuolaSuperiore Sant’Anna, Italy. We experimen-tally characterize high-power (up to2W)and low-noise lasers, based on counter-pumped DRA, for efficient first- andhigher-order distributed Raman co-pumping. We show that an optimizationof the active fiber parameters minimizesthe pump RIN.

JThA14Power Transients in Second OrderPumped Lumped Raman Fiber Amplifier,Miroslav Karasek1, Jan Radil1, JosefVojtech1,2, David Krcmarik2; 1CESNET,Czech Republic, 2IREE AS CR, Czech Re-public. We present experimental and theo-retical results on power transients in anall-optical gain-clamped second orderpumped lumped Raman fiber amplifier.Channel addition/removal was simulatedby transmitting 10 signals, light of eightlasers was square-wave modulated.

JThA15Dynamic Compensation of Raman Tiltin a Fiber Link by EDFA during Tran-sient Events, Maxim Bolshtyansky, Nicho-las King, Gregory Cowle; JDSU, USA. Thetilt in channel power distribution due toRaman induced channel-to-channel inter-action can be accurately estimated byrelatively simple means. Simulations showthat the tilt can be dynamically compen-sated by adjusting an EDFA tilt.

OFC/NFOEC Te chn i c a l Sess i o n Abs t r a c t s 141

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12:30 p.m.–3:00 p.m.JThA • Joint Poster Session II—Continued

JThA16Multi-Edge-Written Long-Period FiberGratings with Low PDL By Using High-Frequency CO

2 Laser Pulses, Yunjiang

Rao1,2, Tao Zhu1,2, Ruokun Wang1; 1Dept. ofOptoelectronics Eng., Chongqing Univ.,China, 2Univ. of Electronic Science & Tech-nology of China, China. An asymmetricLPFG with low PDL is fabricated bymulti-edge exposure method with CO

2

laser. The experimental results show thePDL of a triple-edge-written LPFG withan attenuation of -16.5dB can be reducedto 0.18dB.

JThA17Single-Reflection-Band Fiber BraggGratings with Channelized Linear andNonlinear Dispersion and Their Applica-tions, Xuewen Shu, Elena Turitsyna, IanBennion; Aston Univ., UK. We present anew class of multi-channel Fiber Bragggrating, which provides channelized dis-persion with only a single reflection band.Such gratings can provide pure phasecontrol of optical pulses without intro-ducing any deleterious insertion-loss-variation.

JThA18Characterization of Cladding Modes forthe Design of Long-Period Fiber Grat-ings, Qing Liu, Kin Seng Chiang, Yunqi Liu;Dept. of Electronic Engineering, City Univ.of Hong Kong, Hong Kong. We propose amethod to measure the dispersion charac-teristics of the cladding modes of a single-mode fiber for the design of long-periodgratings. The phase-matching curves forthe first 19 symmetric cladding modes areobtained.

JThA19Low Loss Wavelength Monitor with Sub-Picometer Resolution Based on TiltedFiber Gratings, Yann Tissot, Hans G.Limberger, René P. Salathé; EPFL-APL,Switzerland. A wavelength monitor basedon a pair of tilted fiber Bragg gratings withlow insertion loss (<1 dB) and sub-picometer wavelength resolution is re-ported.

JThA20Single-End Spectral Resolved Measure-ment of Polarization Mode Dispersion inOptical Fibers, Hui Dong, Ping Shum,Junqiang Zhou, Yandong Gong; NetworkTechnology Res. Ctr., Singapore. An im-proved single-end backreflection tech-nique is proposed to perform the spectralresolved measurement of polarizationmode dispersion in optical fibers. Theagreement between the results of single-end and forward measurements is verygood.

JThA21Modal Control of a 50\mum Core Diam-eter Multimode Fiber Using a SpatialLight Modulator, Poh Ling Neo, Jon P.Freeman, Timothy D. Wilkinson; Univ. ofCambridge, UK. An iterative, self-correct-ing system for doing modal control usingadaptive optics in a 50µm core diametermultimode fiber (MMF) is designed. It isshown experimentally to reduce the num-ber of modes generated by 300%.

JThA22Automatic EDFA Gain Spectrum Equal-ization Using LPFGs on Divided CoilHeaters, Jun Kye Bae1,2, Dongyean Koh1,Sang Hyuck Kim1, Namkyoo Park2, SangBae Lee1; 1Photonic Res. Ctr., Korea Inst. ofScience and Technology, Republic of Korea,2Optical Communication Systems Lab,School of EECS, Seoul Natl. Univ., Republicof Korea. We describe a dynamic EDFAbased on automatic feedback control ofLPFG based active gain equalizing filters.With LPFGs mounted on a divided coilheater array, wide dynamic-range gaincontrol for an EDFA was achieved.

JThA23Proposal of a Novel MMI-Based NxNNon-Blocking Optical Ring Switch, NanXie, Katsuyuki Utaka; Waseda Univ., Japan.Novel MMI-based optical NxN switchnetwork with nested rings topology re-duces as much as 20% of switches com-pared with the Benes configuration.

JThA24Loop-Back AWG Router with Non-Uni-form Transmission Capacity, OsamuMoriwaki1, Kenya Suzuki1, HiroshiTakahashi1, Yoshihisa Sakai1, Ken-ichiSato2, Shoji Kakehashi2; 1NTT PhotonicsLabs, NTT Corp., Japan, 2Nagoya Univ.,Japan. We developed an AWG-based wave-length router with a loop-back structurefor a system with non-uniformly distrib-uted traffic. We describe the design of theloop-back waveguides and the transmis-sion characteristics of the developed de-vice.

JThA25Compact 2x2 Couplers for Unequal Split-ting of Power Obtained by Cascading ofShort MMI Sections, David J. Y. Feng, T. S.Lay, T. Y. Chang; Inst. of Electro-OpticalEngineering/Natl. Sun Yat-Sen Univ., Tai-wan. More than 32% length reduction for0%, 15%, and 28% cross-coupling multi-mode-interference couplers is obtained bycascading two short MMI sections. Previ-ously unavailable cross coupling ratios of7% and 64% are also obtained.

JThA26Fabrication of Cascaded PerpendicularUp Tapers for Si-Wire Waveguides,Hidehiko Yoda1, Hideki Ikedo1, HaruhikoTsuchiya1, Kazuo Shiraishi1, Chen S. Tsai2,3;1Utsunomiya Univ., Japan, 2Univ. of Cali-fornia, USA, 3Natl. Taiwan Univ., Taiwan.A new type of spot-size converter (SSC) isproposed for efficient coupling between asingle-mode fiber and a silicon wirewaveguide with cross section of0.3×0.3µm2. Desirable mode expansionwas confirmed numerically and experi-mentally.

JThA27Synchronized Coherent OCDM SystemUsing 128-Chip Orthogonal SequenceSSFBG Encoder/Decoder, Saeko Oshiba1,Yasuhiro Kotani1, Renichi Moritomo1,Kensuke Sasaki2, Shukou Kobayashi2; 1KyotoInst. of Technology, Japan, 2Oki ElectricIndustry Co., Ltd., Japan. Synchronizedoptical code division multiplexing systemusing 128-chip orthogonal sequenceSSFBG en/decoder was experimentallydemonstrated. Multiplexing for more than17 users is experimentally achieved withchanging interference levels using or-thogonal codes for reducing cross-correla-tion noise.

JThA28Integration of Dual-Code Optical CDMAEncoder and Decoder by HolographicBragg Reflectors, Yue-Kai Huang1,Konstantin Kravtsov1, Ivan Glesk1, Paul R.Prucnal1, Christoph M. Greiner2, DmitriIazikov2, Thomas W. Mossberg2; 1PrincetonUniv., USA, 2LightSmyth Technologies Inc.,USA. A matching integrated OCDMAencoder-decoder pair based on holo-graphic Bragg reflector technology wasfabricated. Simultaneous en/decodingoperation of two wavelength-hoppingtime-spreading codes was successfullyperformed at OC-24. A double-passscheme was employed for longer code-length.

JThA29A Novel Two-Section Tunable SlottedFabry-Pérot Laser Exhibiting ns Wave-length Switching, Richard Phelan1,Diarmuid Byrne1, Wei-Huo Guo1, QiaoyinLu1, Brendan Roycroft2, Frank Smyth3, LiamBarry3, John F. Donegan1; 1SemiconductorPhotonics Group, Ireland, 2Tyndall Inst.,Ireland, 3Dublin City Univ., Ireland. Anovel two-section tunable laser diode isdemonstrated by etching slots into thelaser ridge. A discontinuous tuning-rangeof 30nm was achieved with a SMSR of38dB. A wavelength switching time of1.5ns is demonstrated.

JThA30High-Speed Wavelength-Swept Semicon-ductor Laser Using a Diffraction Gratingand a Polygon Scanner in Littrow Con-figuration, Seyed Mohammad RezaMotaghian Nezam, Guillermo J. Tearney,Brett E. Bouma; Harvard Medical Schooland Massachusetts General Hospital, USA.High-speed tuning of an extended-cavity-semiconductor-laser is demonstratedusing a scanning-polygon filter. Weachieved a tuning rate of 7714nm/ms with65mW of power over a wavelength rangeof 135nm and with an instantaneous line-width ~ 0.13nm.

JThA31Multi-Wavelength Light Source forOCDMA Using a Directly SinusoidallyModulated Laser Diode, Manabu Yoshino,Shin Kaneko, Noriki Miki; NTT Corp.,Japan. For OCDMA, a novel flattenedmulti-wavelength light source scheme thatis based on a directly sinusoidally modu-lated laser diode technique is proposed. Itsperformance is confirmed experimentally;its support of OCDMA is demonstrated.

JThA32Synchronization Dynamics of OpticalInjection Locking in Self-Pulsation LaserDiode without a Saturable Absorber, MinYong Jeon1, Young Ahn Leem2, Dae-Su Yee3,Eundeok Sim2, Dong Churl Kim2,Hyunsung Ko2, Kwang-Seong Choi2, KyungHyun Park2; 1ChungNam Natl. Univ., Re-public of Korea, 2Electronics and Telecom-munications Res. Inst., Republic of Korea,3Korea Res. Inst. of Standards and Science,Republic of Korea. We report, for the firsttime to our knowledge, the observation ofthe synchronization dynamics of opticalinjection locking in the passively mode-locked laser diode without a saturableabsorber.


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JThA33Ultra-Broadband Quantum-Dot Semi-conductor Optical Amplifier and ItsApplications, Z.G. Lu1, J.R. Liu1, S.Raymond1, P.J. Poole1, P.J. Barrios1, G.Pakulski1, D. Poitras1, F.G. Sun1, S. Taebi1,T. Hall2; 1Inst. for Microstructural Sciences,Natl. Res. Council Canada, Canada, 2Ctr.for Res. in Photonics, Univ. of Ottawa,Canada. We have developed an ultra-broadband InAs/InGaAsP quantum-dotsemiconductor optical amplifier around1520 nm with the 3-dB bandwidth of 150nm. The four-wave mixing process andmulti-wavelength lasers have been demon-strated by using our QD-SOAs.

JThA34Widely Tunable Wavelength Conversion10 Gb/s Using a Modulated Grating Y-Branch Laser Integrated with an OpticalAmplifier, Marek G. Chacinski1, WouterD’Oosterlinck2, Mats Isaksson1, GeertMorthier2, Richard Schatz1; 1Royal Inst. ofTechnology (KTH), Sweden, 2Ghent Univ.,Belgium. A simple integrated tunablewavelength converter is presented. 10Gb/sXGM conversion of signals at wavelength1530-1560nm to 1531-1556nm and trans-mission at 2.5Gb/s over 25km SSMF of theconverted signals were achieved.

JThA35Synchronous Clock Pumping to ImprovePerformance of All-Optical WavelengthConversion for RZ-DPSK Based on Four-Wave Mixing in SOA, He Wen, HuanJiang, Xiaoping Zheng, Hanyi Zhang, YiliGuo; Tsinghua Univ., China. Synchronousclock pumping is proposed to improve theperformance of all optical wavelengthconversion based on four-wave mixingeffect in semiconductor optical amplifier.About 3dB improvement in output poweris achieved for RZ-DPSK format.


JThA36All-Optical Wavelength Conversion at 40Gb/s Data Rate in Silicon Waveguides,Ying-Hao Kuo1, Haisheng Rong1, VanessaSih1, Shengbo Xu1, Mario Paniccia1, OdedCohen2; 1Intel, USA, 2Intel, Israel. We reportefficient wavelength conversion of a highspeed signal at 40 Gb/s via four-wavemixing in silicon-on-insulator ribwaveguides. Results give an efficiency of-8.6 dB, and the converted signal showsgood signal integrity.

JThA37High-Speed Phase-Correlated SignalGeneration by Phase-Reconstruction ofOTDM Signals through DifferentialCross-Phase Modulation in an SOA-MZI,Saurabh Kumar, Alan E. Willner; Univ. ofSouthern California, USA. We propose amethod to generate high-speed coherentphase-modulated signals using DXPM inan SOA-MZI. Results include generationof 80-Gb/s RZ-DPSK, CSRZ, GAP-CSRZ,PAP-CSRZ, and AMI modulation formats.The technique also enables output pulse-width control.

JThA381550nm Optical Interconnect Trans-ceiver with Low Voltage Electro-absorption Modulators Flip-ChipBonded to 90nm CMOS, Jonathan E.Roth1, Samuel Palermo2, Noah C. Helman3,David P. Bour4, David A. B. Miller1, MarkHorowitz1; 1Stanford Univ., USA, 2IntelCorp., USA, 3Univ. of California at SanFrancisco, USA, 4BridgeLux, Inc., USA. Alow-voltage 90nm CMOS optical inter-connect transceiver operating at 1550nmis presented. This is the first system dem-onstrated using the recent Quasi-Waveguide Angled Facet Electro-absorption Modulator (QWAFEM), fea-turing simple electronic and optical pack-aging.

JThA39Long-Haul Raman-Assisted EDFA Sys-tems with Ultra-Long Spans, Alan J.Lucero, Dmitri G. Foursa, Dmitry Kovsh,Morten Nissov, Alexei N. Pilipetskii; TycoTelecommunications, USA. We present amethodology to optimize a Raman as-sisted EDFA transmission system. Weanalyzed span lengths from 120 km to 210km and then give in-depth numerical andexperimental results for 150 km spans.

JThA40Impact of Polarization Hole Burning inLightly Loaded Ultra Long-Haul WDMSystems, Bamdad Bakhshi, LutfurRahman, Katya Golovchenko; Tyco Tele-communications, USA. In lightly loadedultra-long WDM systems, which use idlersfor power management, we show experi-mentally that a higher inline EDFA outputpower can significantly reduce the PHB-induced performance fluctuations, withenhanced system margin in result.

JThA41A New Dispersion Map for UnderseaOptical Communication Systems, GeorgMohs, William T. Anderson, Ekaterina A.Golovchenko; Tyco Telecommunications,USA. We present a new type of dispersionmap for undersea WDM transmissionbased on non slope-matched fiber. 64x10Gb/s were transmitted over transatlanticdistance with more than 1.5 dB perfor-mance advantage over previous conven-tional maps.

JThA42A Novel Scheme to Generate 100Gbit/sDQPSK Signal with Large PMD Toler-ance, Jianjun Yu1, Xiang Zhou2, Lei Xu1,Philip Ji1, Ting Wang1; 1NEC Labs America,USA, 2AT&T Labs, USA. A novel 100Gbit/stransmitter has been proposed and experi-mentally demonstrated. It can tolerateover 20ps DGD. After transmission over300km conventional SMF, the power pen-alty is 0.7dB.

JThA43Mitigation of Patterning Effects at 40Gb/s by Skewed Channel Pre-Encoding,Brendan Slater1, Sonia Boscolo1, AlexanderShafarenko2, Sergei K. Turitsyn1; 1PhotonicsRes. Group, School of Engineering andApplied Science, Aston Univ., UK, 2Dept. ofComputer Science, Univ. of Hertfordshire,UK. Through direct error computation,reduction of pattern-dependent errors in astandard-fiber-based transmission link at40Gb/s-rate is demonstrated by applica-tion of a skewed data pre-encoding. Thetrade-off between bit-error-rate improve-ment and data rate loss is examined.

JThA44Cross Comparison of the NonlinearImpairments Caused by 10Gbit/s Neigh-boring Channels on a 40Gbit/s ChannelModulated with Various Formats andover Various Fiber Types, MathieuLefrançois, François Houndonougbo,Thibaut Fauconnier, Gabriel Charlet,Sébastien Bigo; Alcatel Res. and Innovation,France. We evaluate the impact of 10Gbit/sNRZ channels on the performance of one40Gbit/s PSBT, DQPSK or DPSK channelover two fiber types. DPSK and PSBT aremuch less affected by 10Gbit/s neighborsthan DQPSK.

JThA45Field Transmission by Using a Commer-cially-Ready 43 Gbit/s DWDM SystemEmploying RZ-DQPSK Transponders inHigh PMD Installed Fiber, TomoyoshiKataoka, Shinji Matsuoka, ToshiyaMatsuda, Hideki Maeda, Norio Sakaida,Tsutomu Kubo, Takashi Kotanigawa,Takeshi Kawasaki; NTT Network ServiceSystems Labs, Japan. Using a commer-cially-ready 40-λ DWDM system, RZ-DQPSK is confirmed to offer excellentDGD tolerance, up to 25 ps, through highPMD installed DSFs.

JThA46Power Efficient LDPC-Coded Modula-tion for Free-Space Optical Communica-tion over the Atmospheric TurbulenceChannel, Ivan B. Djordjevic, Bane Vasic,Mark A. Neifeld; Univ. of Arizona, USA. Wedescribe a power efficient transmissionscheme based on LDPC-coded modula-tion. This technique is suitable for use inhybrid RF/microwave-free-space opticalcommunications operating under thestrong atmospheric turbulence, and pro-vides an excellent coding gain.

JThA47Optimum Design for Coherent OpticalOFDM Transmitter, Yan Tang, Xing WenYi, William Shieh, Rob Evans; Univ. ofMelbourne, Australia. Optimum design forcoherent optical OFDM transmitter hasbeen analyzed. In contract to the direct-detection system, the optimal modulatorbias point for the coherent system is πwhere the nonlinearity and excessive lossare minimized.

JThA48Experimental Demonstration of Opti-cally Phase-Shifted SSB Modulation withFiber-Based Optical Hilbert Transform-ers, Katsumi Takano, Nobutomo Hanzawa,Sadayuki Tanji, Kiyoshi Nakagawa;Yamagata Univ., Japan. Optically phase-shifted SSB modulation is demonstratedusing the third-order optical Hilberttransformer of Mach-Zehnder interferom-eters. The results verify the principle of theoptically phase-shifted SSB scheme whichis applicable for high-speed transmissionwith bandwidth efficiency.



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JThA49Comparison of Methods for MonitoringPMD-Induced Penalty, Kate E. Cornick1,Kerry Hinton2, Sarah D. Dods1, Peter M.Farrell1; 1Natl. ICT Australia, Australia,2Univ. of Melbourne, Australia. We presentand verify theoretical models relatingPMD-induced penalty with four differentmonitoring techniques, and show theyinterrelate through system specific con-stants. We then assess the robustness ofeach monitoring technique to variousoptical impairments.

JThA50DPSK Error Correction Using Multi-BitDetection for Enhanced Sensitivity andCompensation of Impairments, Louis C.Christen1,2, Yannick K. Lize1, Scott R.Nuccio1, Xiang Liu3, Moshe Nazarathy4,Alan E. Willner1; 1Univ. of Southern Califor-nia, USA, 2Northrop Grumman Space Tech-nology, USA, 3Bell Labs, Lucent Technolo-gies, USA, 4Israel Inst. of Technology, Israel.We demonstrate a new technique for cor-recting common errors in DPSK transmis-sion due to impairments using delay-line-interferometers of multiple-bit-delays. Weshow large improvements for 10-GB/sDPSK data using one and two-bit delayinterferometers.

JThA51Receiver-Side, Adaptive, Opto-ElectronicChromatic Dispersion Compensation ofSingle-Mode Fiber, Arup Polley, Stephen E.Ralph; Georgia Tech, USA. We present thetheoretical and simulation results of areceiver-side, adaptive, opto-electronicchromatic dispersion compensation tech-nique.

JThA52Dual-Pump Four-Wave Mixing in Bis-muth-Oxide Highly Nonlinear Fiber forWide-Band DPSK Wavelength Conver-sion, Mable P. Fok1, Chester Shu1, Daniel J.Blumenthal2; 1Chinese Univ. of Hong Kong,Hong Kong, 2Univ. of California at SantaBarbara, USA. Wide-band wavelengthconversion is obtained in a 32-cm highlynonlinear bismuth oxide fiber using dual-pump four-wave mixing. The conversionfor a 10-Gb/s NRZ-DPSK signal shows apower penalty below 4 dB over a 30-nmrange.

JThA53All-Optical Re-Phasing, Re-Shaping, andRe-Amplification of RZ-DPSK Data,Ehab Awad, Pak Cho, Julius Goldhar; Univ.of Maryland at College Park, USA. Wedemonstrate novel technique for RZ-DPSK regeneration based on convertingphase-noise into amplitude-noise andeliminating it using SOA. The system wastested using degraded 223-1 PRBS. BERshows removal of error-floor with 4dBpower-penalty improvement.

JThA54Asynchronous Digital Optical Regenera-tor by an EAM-Loop for 4 x 40Gb/sWDM to 160Gb/s OTDM Conversion,C. W. Chow, A. D. Ellis; Photonic SystemsGroup, Tyndall Natl. Inst., Ireland. Wepropose a novel configuration for asyn-chronous digital optical regenerationrequiring only one electroabsorptionmodulator. This regenerates signals withhigh amplitude fluctuation, and re-shapes/re-times pulses for 4 x 40Gb/sWDM to 160Gb/s OTDM conversion.

JThA55Ultra-Fast Clock Recovery Based on Pre-Embedded Sub-Harmonic Clock in Opti-cal Burst/Packet Networks, S. B. Jun1,Paul K. J. Park2, Hoon Kim2, Yun C.Chung1; 1Korea Advanced Inst. of Scienceand Technology, Republic of Korea,2Samsung Electronics, Republic of Korea.We propose an ultra-fast clock recoverytechnique for the use in the optical burst/packet networks, and evaluated its perfor-mance by using 40-Gb/s burst-mode NRZand DPSK signals.

JThA56A Synchronous All-Optical 160 Gb/sPhotonic Interconnection Network,Antonella Bogoni1, Nicola Andriolli2, MircoScaffardi2, Gianluca Berrettini2, GianlucaMeloni2, Antonio Malacarne2, FrancescoFresi2, Claudio Porzi2, Piero Castoldi2, LucaPotì1; 1CNIT, Italy, 2Scuola SuperioreSant’Anna, Italy. A modular photonicinterconnection network based on a com-bination of basic 2x2 all-optical nodes ispresented. The proposed architecture issynchronous, can operate up to 160Gb/sand exhibits self-routing capability andvery low switching latency.

JThA57All-Optical Reconfigurable Bipolar TapMicrowave Filter Using PhotonicBandgap Fiber and DGD Module,Xianbin Yu, Xiaoping Zheng, Hanyi Zhang,Yili Guo; Dept. of Eletronic Engineering,Tsinghua Univ., China. An all-opticalbipolar tap microwave filter based onphotonic bandgap fiber and DGD moduleis proposed and experimentally demon-strated. The filter provides tunability andreconfigurability along with immunity tooptical coherence interference.

JThA58Coherence Free All Optical MicrowaveNotch Filter with Negative CoefficientBased on Polarization Modulation in anElectro-Optic Phase Modulator, ChoongKeun Oh1, Tae-Young Kim1, Sun-Jong Kim2,Chang-Soo Park1; 1GIST, Republic of Korea,2TTA, Republic of Korea. We propose acoherence-free all-optical microwavenotch filter with negative and positivecoefficients from single optical sourcebased on polarization modulation. Theexperimental result shows the stable notchfilter characteristics with FSR of 3.97 GHz.

JThA59Millimeter-Wave Signal Generation Us-ing Four-Wave Mixing Effect in SOA,Tianliang Wang, Minghua Chen, HongweiChen, Shizhong Xie; Tsinghua Univ., China.Optical generation millimeter-wave sig-nals employing FWM effect in SOA isproposed. Sextuple fundamental fre-quency millimeter-wave of 42GHz with3dB linewidth 20Hz and phase noise lessthan -75dBc/Hz at 1.6 kHz offset is ob-tained.

JThA60Simultaneous Base-Band and mm-WaveDelivery of Gbps Data Employing Photo-nic Vector Modulators, Miguel AngelPiqueras1, Valentin Polo2, Javier Marti2;1DAS Photonics, S.L., Spain, 2Nano-photonics Technology Ctr., Spain. A highlyscalable photonic vector modulation ar-chitecture that allows the simultaneoustransmission of the digital base-band datais experimentally demonstrated generat-ing up to 3 Gbps 8QAM signals directly at39 GHz.

JThA61Evaluation of the Performance of SCM-Based Access Networks Using the Spec-trally-Sliced ASE from a SemiconductorOptical Amplifier, Agustin Pérez1, GeertMortier2, Salvador Sales1, Juan ManuelTemprado1, Joaquin Vague1; 1Univ.Politecnica de Valencia, Spain, 2GhentUniv., Belgium. We report on the distribu-tion of SCM signals using the spectrally-sliced Amplified Spontaneous Emission(ASE) from a SOA. Also, we have devel-oped a model for the ASE, and have ob-tained good agreement with the measure-ments.

JThA62Experimental Investigation of AdaptiveEthernet Forwarding and Optical Cut-through for Metro Optical EthernetNetworks, Xu Shao, Luying Zhou, ChavaVijaya Saradhi, Teck Yoong Chai, YixinWang; Inst. for Infocomm Res., Singapore.We present a system design for hybridEthernet and WDM employing commer-cial Ethernet hardware platform, andexperimentally evaluate various schemesto achieve switching between Ethernetforwarding and optical cut-throughlightpaths.

JThA63New High-Speed Optical Routing Archi-tecture Based on First-Come-First-ServePrinciple, Takashi Yamada, Shunji Kimura,Katsumi Iwatsuki, Takamasa Imai; NTTAccess Network Service Systems Labs, Japan.We propose a new high-speed routingarchitecture using the first-come-first-served basis with a partial-mesh topology.This architecture can solve the optimal-path problem within 200ms over 200 nodenetworks. The prototype-boards imple-mented the architecture showed high-speed performance.


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JThA64Cross Layer Routing in TransparentOptical Networks, Christina (Tanya)Politi1, Chris Matrakidis1, AlexandrosStavdas1, Vasilis Anagnostopoulos2,Matthias Gunkel3; 1Univ. of Peloponnese,Greece, 2Natl. Technical Univ. of Athens,Greece, 3T-Systems Enterprise ServicesGmbH, Germany. New algorithmicallysimplified WRA that incorporate physicallayer criteria in the path establishmentprocedure are suggested and applied in theDeutsche Telecom network. Their block-ing performance superiority and physicalperformance guarantee is discussed.

JThA65Quasi-Dynamic Network Design Consid-ering Different Service Holding/ContractTerms, Koichi Kanie, Hiroshi Hasegawa,Ken-ichi Sato; Nagoya Univ., Japan. Wepresent a quasi-dynamic multi-layeredphotonic network design algorithm thatachieves cost-effective incremental net-work expansion to accommodate futurebroadband services. It is demonstratedthat service holding/contract times are keyparameters in developing cost-effectivenetworks.

JThA66Multilayer Routing on Restricted Pathfor Traffic in IP over DWDM Networks,Xinyou Cui, Xiaoping Zheng, Yanhe Li, YiliGuo, Hanyi Zhang; Tsinghua Univ., China.Multilayer Routing on Restricted Path(MRRP) was proposed, which confines thetraffic only choose network resource onthe restricted path. Discrete Event Simula-tion (DES) shows that MRRP has lowerblocking probability and resource occupa-tion.


JThA67Minimizing Vulnerability with End-to-End Protection Schemes for OpticalNetworks, Sun-il Kim, Xiaolan J. Zhang,Steven S. Lumetta; Univ. of Illinois at Ur-bana-Champaign, USA. In this paper, wepresent techniques that allow networkend-to-end protection reconfigurationalgorithms to achieve maximum robust-ness under multiple failures. With thepresented approach, maximum robustnesscan be achieved for a given topology.

JThA68Multiple Failure Recovery of OpticalPaths Using GMPLS Based RestorationScheme Escalation, Yoshiaki Sone, WataruImajuku, Masahiko Jinno; NTT Labs, Ja-pan. This paper proposes a GMPLS basedrestoration scheme escalation againstmultiple failures. The proposed schemeautomatically evolves from a pre-plannedrestoration scheme to a LSP reroutingscheme following the failure state in anetwork.

JThA69Survivable Routing for Segment Protec-tion under Multiple Failures, Qingya She,Xiaodong Huang, Jason Jue; Univ. of Texasat Dallas, USA. This paper considers theproblem of survivable routing for segmentprotection under multiple failures. Wepropose an efficient algorithm to selectworking routes and backup segments tomaximize the end-to-end survivability.Corresponding cost are investigated.

JThA70Coordinated Resource Scheduling inHigh-Performance Optical Grids, Sun-ilKim1, Admela Jukan2, Steven S. Lumetta1;1Univ. of Illinois at Urbana-Champaign,USA, 2INRS/ Univ. du Quebec, Canada.This paper investigates coordinated re-source scheduling algorithms for highperformance optical grids. We introduce asimple scheduling algorithm and study itsimpact on grid performance.

JThA71Output-Aware Buffering with VariableDelay Buffers in Optical Packet Switch-ing Networks, Ming Xin, Minghua Chen,Hongwei Chen, Shizhong Xie; TsinghuaUniv., China. A new buffer structure withoutput-aware buffering and variable delaybuffer is proposed. This structure canrealize optical RAM buffering in OPScontention resolution, so that it can sig-nificantly improve the performance ofOPS networks.

JThA72First Demonstration of Clockless SerialOptical Code Label Switching withSSFBGs Label Recognizer, HideakiTamai1, Masahiro Sarashina1, KensukeSasaki2, Masayuki Kashima2; 1OITDA,Japan, 2Oki Electric Industory. Co., Ltd.,Japan. We proposed and demonstrated40Gbps, 256-label optical packet switchingemploying a clockless serial optical codelabel processing. Eight different SSFBGslabel recognizers with high auto- to cross-correlation peak ratio were used for opti-cal label correlation.

JThA73Increasing the Number of Users in anOptical CDMA System by Pulse-PositionModulation, Poorya Saghari, RezaOmrani, Vahid R. Arbab, Alan E. Willner,Vijay P. Kumar; Univ. of Southern Califor-nia, USA. We analytically show that usingPPM-OCDMA can increase the spectralefficiency of an OCDMA system up tofactor of 3. Utilizing our results we gener-ate the performance trends of PPM-OCDMA systems for varying code-sets.

JThA74Multi-Rate Spectral Phase-EncodedTime-Spreading Optical CDMA SystemUsing OVSF Code Sequences, TakayaMiyazawa1, Iwao Sasase1, S. J. Ben Yoo2;1Keio Univ., Japan, 2Univ. of California atDavis, USA. We propose a multi-rateSPECTS-O-CDMA system using OVSFcode sequences. The proposed multi-ratesystem achieves a distinct differentiationon bit-rate/BER requirements and im-proves the BER performances of higher-rate users compared to the conventionalsingle-rate system.

JThA75In-Field WDM-DPSK 8x10 Gb/s Trans-mission over 300 km Using Four Com-mon SOAs, Ernesto Ciaramella1, AntonioD’Errico1, Valentina Donzella1, GiampieroContestabile1, Silvello Betti2, ValeriaCarrozzo2, Franco Curti3, MicheleGuglielmucci3; 1Scuola SuperioreSant’Anna, Italy, 2Tor Vergata Univ., Italy,3Inst. Superiore Comunicazioni e Tecnologiedell’Informazione, Italy. Field-trial trans-mission demonstrates the feasibility ofWDM-DPSK systems exploiting semicon-ductor optical amplifiers, with practicalamplifier spacing (100 km) for the firsttime.

JThA76A Protection Method for Ring-TypeTDM-PONs against Fiber Fault, Chien-Hung Yeh1, C.-S. Lee1, S. Chi2,3; 1Informa-tion & Communications Res. Labs, Indus-trial Technology Res. Inst., Taiwan, 2NCTU,Taiwan, 3Yuan Ze Univ., Taiwan. A newself-protected ring-based time-division-multiplexed passive optical network(TDM-PON) with dual-fiber path againstthe fiber-fault in the fiber access system isproposed and investigated experimentally.

JThA77Flexibility in Access Networks : A NovelWDMA/TDMA Scheme for Passive Opti-cal Networks, Roman Glatty, PhilippeGuignard, Philippe Chanclou; FranceTelecom Res. and Development, France. Wepropose a new access network schemeintroducing WDM based flexibility, withdynamic rearrangement of customer con-nections. We focus on physical layer issues,simulation and experimental results areprovided for a network without opticalamplification.

JThA78A Bidirectional RSOA Based WDM-PONUtilizing a SCM Signal for Down-Linkand a Baseband Signal for Up-Link,Seunghyun Jang1, Byoung Whi Kim1, Chul-Soo Lee1, Eui-Suk Jung1, Dong-Min Seol2;1Electronics and Telecommunications Res.Inst., Republic of Korea, 2Univ. of Scienceand Technology, Republic of Korea. Wepropose and demonstrate WDM-PONutilizing SCM technique for down-linkand baseband technique for up-link withRSOA for re-modulation. The BER perfor-mances were shown to be as good as thoseof CW light injected RSOA.

JThA79In-Service Fault Localization in WDMPassive Optical Networks, Xiao FeiCheng1, Yang Jing Wen1, Zhaowen Xu1,Yixin Wang1, Jaya Shankar O/SPathmasuntharam1, Ping Shum2; 1Inst. forInfocomm Res., Singapore, 2Nanyang Tech-nological Univ., Singapore. We propose anovel in-service fault localization schemein WDM-PON. Two PONs are combinedand monitored simultaneously. Fiber faultand automatic protection switching inONUs are monitored real-time at centraloffice(CO) without interrupting customerservice.



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JThA80A FSR-Interleaved, Self-Wrapping, Mul-tiple-Cascaded AWG-Based WDM AccessNetwork, Stuart Walker1, Mehmet Toycan1,Ioannis Tsalamanis1, Michael Parker2;1Univ. of Essex, UK, 2Fujitsu Labs of EuropeLtd., UK. We describe a WDM:TDM-swapped access network architecture,featuring AWG-based double-cascadedownstream and triple-cascade upstreamoperation. Cyclical Latin-routing proto-cols allow FSR-interleaving for capacity-multiplication via self-wrapping 16x16and 1x32 central office AWGs. 2.5Gb/s/wavelength performance was experimen-tally verified.

JThA81Demonstration of Radio over Fibre Dis-tributed Antenna Network for CombinedIn-Building WLAN and 3G Coverage,Michael J. Crisp, Sheng Li, Adrian Wonfor,Richard V. Penty, Ian H. White; Univ. ofCambridge, UK. A RF-over-fibre distrib-uted multi-antenna network is demon-strated to improve coverage and reducethe required dynamic range of co-existingIEEE 802.11g WLAN and 3G services byusing overlapping cells, fed from a singlesignal source.

JThA82Efficient BER Estimation for Radio-over-Fiber Systems, Ghislain Mouil Sil, HadrienLouchet, André Richter; VPIsystems, Ger-many. We present a novel BER estimationmethod for sub-carrier multiplexed sig-nals using QAM modulation that accountsfor noise and intermodulation distortions.It is of particular interest for the designand optimization of radio-over-fibersystems.

JThA83Using Signal Processing Technologiesfrom the Radio Frequency Domain inOptics, Harald Rohde, Sebastian Randel,Changsong Xie; Siemens AG, Germany. Thepossibilities of bandwidth-efficiency im-provements of optical communicationsystems by adoption of signal processingtechnologies such as Multiple-SubcarrierModulation, Equalization, CDMA andMIMO, from radio frequency domain intooptics is discussed.

JThA84CSMA/CD-Based Fiber-to-the-DeskSystem with Remote Repeater, An V.Tran1, Chang-Joon Chae2, ThisaraJayasinghe2, Rodney S. Tucker1; 1Univ. ofMelbourne, Australia, 2Natl. ICT Australia,Australia. We report a fiber-to-the-desksystem using carrier-sense multiple accesswith collision detection (CSMA/CD) anda remote repeater. The CSMA/CD is per-formed at the repeater to enable highchannel efficiency and low-cost imple-mentation of optical LAN.

JThA85Carrier Ethernet Services PreservingSONET and Migrating to the MPLS Net-work, Joseph V. Mocerino; Fujitsu NetworkCommunications, USA. Service providersmaintain network investment while offer-ing Carrier Ethernet services and migrat-ing to MPLS. VCAT and LCAS mapping,plus leaky bucket and dual leaky bucketpolicing methods, are described alongwith various flow encapsulation tech-niques.

JThA86Broadband Access Technologies for FTTxDeployment, William Yue, Joseph V.Mocerino; Fujitsu Network Communica-tions, USA. This paper describes GPONapplications using both all fiber and fiber/DSL mix for cost savings. TransportingMultiple Broadband Services over theMetro and Core Network is described fordifferentiated services.

JThA87Techno-Economic Evaluation of OpticalAccess and Metropolitan Area Networks:The Influence of the Status of Maturityof the Photonics Component Industry,Dimitris Varoutas1, Thomas Kamalakis1,Dimitris Katsianis1, Thomas Sphicopoulos1,Thomas Monath2; 1Univ. of Athens, Greece,2T-Systems Nova GmbH, Germany. Atechno-economic evaluation of the busi-ness aspects of optical networks in theaccess/metro optical networks is given andits relation to the evolution of the photo-nic component industry is highlighted.

JThA88Dynamic Attenuator: A New PassiveDevice to Control Optical Power Levelsin Networks, A. N. M. MasumChoudhury1, Barbara Grzegorzewska1,Timothy Hanrahan1, Tom Marrapode1,Ariela Donval2, Moshe Oron2, Ram Oron2,Regina Shvartzer2; 1Molex Inc., USA,2Kilolambda Technologies Ltd., Israel. Dy-namic attenuator, a new passive opticaldevice limits output power level by lightscattering mechanism and protects thenetwork from permanent damage. Thispaper shows its assembly and performanceunder normal and extreme environmentalconditions.

JThA8940-Channel Transmitter and ReceiverPhotonic Integrated Circuits Operatingat a per Channel Data Rate 12.5Gbit/s,Masaki Kato, Radhakrishnan Nagarajan,Jacco Pleumeekers, Peter Evans, ArnoldChen, Atul Mathur, Andrew Dentai, SheilaHurtt, Damien Lambert, PrashantChavarkar, Mark Missey, Johan Bäck,Ranjani Muthiah, Sanjeev Murthy, RandalSalvatore, Charles Joyner, Jon Rossi, RichardSchneider, Mehrdad Ziari, Fred Kish, DavidWelch; Infinera, USA. We demonstrate 40channel transmitter and receiver largescale photonic integrated circuits operat-ing as a pair at 12.5Gbit/s.

JThA90The Next Frontier in Testing: 40 Gb/sTransmission, Francis Audet; EXFO,Canada. 40 Gb/s transmission is nowcommercially available, and many tier 1operators may deploy it shortly. Newmodulation formats, tighter sensitivityspecifications, dispersion issues, andRaman amplification—what does thisinvolve in terms of testing?

JThA91Decagonal Photnic Crystal Fibers withUltra-Flattened Dispersion and LowConfinement Loss, S. M. Abdur Razzak,Yoshinori Namihira, Feroza Begum, ShubiKaijage, Tatsuya Kinjo, Jitsuryo Nakahodo,Kazuya Miyagi, Nianyu Zou; Univ. of theRyukyus, Japan. Decagonal PCFs withextremely low dispersion of 0 ± 0.26 ps/(nm-km) in the wavelength range of 1.40µm to 1.60 µm with confinement loss lessthan 10-6 dB/km is presented.

JThA92Submarine Fibers with Novel OpticalProperties Provided by a Restrict-Mode-Excitation Method, Katsunori Imamura,Kazunori Mukasa, Masateru Tadakuma,Ryuichi Ryuichi, Takeshi Yagi; FurukawaElectric co. ltd., Japan. By applying a re-strict mode excitation method, we success-fully reduced dispersion slope of NZ-DSFto -0.04 ps/nm2/km and enlarged Aeff ofN-MDF as large as 53 µm2.

JThA93A CMOS Photonics Based 10Gbps FiberOptical Communication Link, Thomas G.Palkert, Mehrdad Saberi; Luxtera, USA. A10Gbps fiber-optic communication linkusing CMOS photonics is analyzed anddemonstrated to be feasible as a low cost,low power, highly integrated solution fornext generation networks.

JThA94Waveband MUX/DEMUX Using Concat-enated AWGs -Formulation ofWaveguide Connection and Fabrication,Shoji Kakehashi1, Hiroshi Hasegawa1, Ken-ichi Sato1, Osamu Moriwaki2, Shin Kamei2,Yoshiteru Jinnouchi3, Masayuki Okuno3;1Nagoya Univ., Japan, 2NTT PhotonicsLabs, Japan, 3NTT Electronics, Japan. Re-cently we proposed a new wavebandMUX/DEMUX that uses two concat-enated AWGs. We formulate how to con-nect the two AWGs. We fabricate the de-vice using silica PLC technology and ex-perimentally confirm its feasibility.

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3:00 p.m.–5:00 p.m.OThO • Fiber Dispersion andCerenkov RadiationScott A. Hamilton; MIT LincolnLab, USA, Presider

3:00 p.m.–4:45 p.m.OThP • Fiber Grating DevicesMartin Guy; Teraxion, Canada,Presider

3:00 p.m.–5:00 p.m.OThQ • Carrier ServicesNasir Ghani; TennesseeTechnological Univ., USA, Presider

3:00 p.m.–5:00 p.m.OThR • Network ElementsBarrie Keyworth; JDS Uniphase,Canada, Presider

3:00 p.m.–5:00 p.m.OThS • WDM TransmissionSystemsJin-Xing Cai; TycoTelecommunications, USA,Presider

OThS1 • 3:00 p.m.40 Gbit/s Double-Band DWDM Trans-mission over 46 km PCF-DSF Transmis-sion Line, Kazuhide Nakajima, KenjiKurokawa, Takashi Matsui, KatsusukeTajima, Kazuyuki Shiraki, Izumi Sankawa;NTT, Japan. A wide-band transmissionline is proposed using a PCF and DSF. Theavailable bandwidth is quadrupled, and 40Gbit/s DWDM signals have been trans-mitted over 46 km using the 1310 and1550 nm bands simultaneously.

OThR1 • 3:00 p.m. Tutorial

ROADM Network Elements, MadhuKrishnaswamy; JDSU, Canada. ROADMnetwork elements occupy a pivotal role inagile optical networks. This tutorial willprovide an overview of key architectural,functional and operational metrics ofROADM network elements against a vari-ety of networking application require-ments.

Madhu Krishnaswamy is currently SeniorProduct Line Manager at JDSU, respon-sible for network element subsystems.Previously, Madhu was the founder andprinciple engineer of Ceyba, an opticalnetworking startup that developed anagile, 10/40G ultra-long haul system. Priorto Ceyba, Madhu was part of the opticalamplifier development team within thehigh-capacity optical transport group atNortel Networks. Madhu received hisPh.D. from the University of Alberta inEdmonton, with a thesis dissertation onintegrated erbium-doped waveguide am-plifiers.

OThQ1 • 3:00 p.m. Tutorial

Services from a Carrier’s Perspective,Stuart Elby; Verizon Communications,USA. Emerging trends in workforce flex-ibility, personal mobility, and virtualworlds, to name a few, are driving Carriersto develop more dynamic, higher band-width services that provide personaliza-tion for the individual consumer andgreater productivity for the enterprise. Tosucceed, Carriers must deploy a new set oftechnologies and carefully architect toisolate the rapidly changing services fromthe underlying network assets.

Dr. Stuart Elby is the Vice President ofNetwork Architecture responsible forsetting Verizon Telecomm and VerizonBusiness’ network architecture visionencompassing broadband access, opticaltransport, fast packet and Ethernet switch-ing, IP/MPLS routing, and emerging voiceover IP and video technologies. Stuart isalso responsible for defining service spe-cific architectures to support product linemarketing, specifying network elementrequirements, coordinating Verizon’sStandards activities, and leading collabo-rative R&D activities with universities andindustry partners. He has previously heldseveral positions in Verizon includingnetwork platform testing, and technicalsupport of product development and

OThP1 • 3:00 p.m.FBG Based Distributed Lighting forSensing Applications, Gary E. Carver1,Ken S. Feder2, Paul S. Westbrook2;1Princeton Lightwave, USA, 2OFS Labs,USA. An efficient distributed light sourcehas been developed for line scan sensing.The source is based on diffracting lightfrom a highly blazed grating written in thecore of a single mode fiber.

OThO1 • 3:00 p.m.Single-Shot Fiber Dispersionmetry, AkiraShirakawa, Takayuki Atsumi, MotoyukiTanisho, Ken-ichi Ueda; Inst. for LaserScience, Univ. of Electro-Communications,Japan. A novel white-light interferometryis presented for fiber dispersion measure-ment. The acquired spectrally-resolvedtwo-dimensional interferogram enablesinterference-instability-free, instantaneousdetermination of group delay and disper-sion. Various fibers including a birefrin-gent photonic-bandgap fiber were pre-cisely characterized.

OThO2 • 3:15 p.m.Method for Measuring High Order Dis-persion in Optical Fibers, Jose M. ChavezBoggio, Jorge D. Marconi, Hugo L. Fragnito;Optics and Photonics Res. Ctr., Brazil. Wereport on a four-wave mixing basedmethod for measuring the ratio betweenthe third and the fourth-order dispersioncoefficients with error of less than 3% indispersion shifted and non-zero disper-sion shifted fibers.

OThP2 • 3:15 p.m.Electrically Tunable Long Period Grat-ings in Liquid Crystal Photonic BandgapFibers, Danny Noordegraaf, Lara Scolari,Jesper Lægsgaard, Lars Rindorf, Thomas T.Alkeskjold; COM•DTU Dept. of Communi-cations, Optics and Materials, TechnicalUniv. of Denmark, Denmark. We demon-strate an all-electrically tunable long pe-riod grating in a photonic crystal fiberinfiltrated with a nematic liquid crystal.The spectral dips and the resonance wave-lengths are tuned electrically and ther-mally, respectively.

OThS2 • 3:15 p.m.Analysis of Crosstalk in Mixed 43 Gb/sRZ-DQPSK and 10.7 Gb/s DWDM Sys-tems at 50 GHz Channel Spacing,Cornelius Fuerst1, Joerg-Peter Elbers1, HorstWernz1, Helmut Griesser1, Stefan Herbst1,2,Marco Camera2, Fabio Cavaliere2,3, ArminEhrhardt3, Dirk Breuer3, Daniel Fritzsche3,Sascha Vorbeck3, Malte Schneiders3, WernerWeiershausen3, Ralph Leppla3,4, JuergenWendler4, Michael Schroedel4,5, ThorstenWuth5, Chris Fludger5, Thomas Duthel5,Biljana Milivojevic5, Christoph Schulien5;1Ericsson, Germany, 2Marconi SpA, Italy,3T-Systems, Germany, 4T-Com, Germany,5CoreOptics, Germany. In DWDM fieldexperiments over 1047km of standardfiber and in simulations we analyze theimpact of crosstalk on a 43Gb/s RZ-DQPSK channel both by 10.7Gb/s OOKand 43Gb/s RZ-DQPSK neighbors at50GHz channel spacing.

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3:00 p.m.–5:00 p.m.OThT • Novel DevicesKen Morito; Fujitsu Labs Ltd.,Japan, Presider

3:00 p.m.–4:45 p.m.OThU • Novel Optical DevicesYoshinori Hibino; NTT PhotonicsLabs, Japan, Presider

3:00 p.m.–4:40 p.m.NThE • Initial Applications ofEmerging TechnologiesMark Boduch; Tellabs, USA,Presider

NThE1 • 3:00 p.m. InvitedApplications of Liquid Crystal Technol-ogy to Telecommunication Devices, JackKelly; CoAdna Photonics, USA. Using thewavelength selective switch as a prototypi-cal example, we examine the use of liquidcrystal technology for telecom applica-tions. Some key design issues and perfor-mance parameters are discussed.

OThU1 • 3:00 p.m.Programmable Polarization-Indepen-dent Electrooptically Matched BandpassFilter in Ti:LiNbO

3, Yang Ping, O.

Eknoyan, C. K. Madsen, H. F. Taylor; TexasA&M Univ., USA. A polarization-indepen-dent two-port electro-optically tunablebandpass filter with programmable spec-tral output in the 1530 nm wavelengthregime with nearest side lobes -20 dB, 10nm tuning range, and maximum requiredvoltage 31.5 V is presented.

OThT1 • 3:00 p.m.Regeneration of Return-to-Zero 10 Gb/sFiber Transmission Impairments Using aMonolithically Integrated, Widely-Tun-able, Photocurrent Driven WavelengthConverter, Matthew N. Sysak, Henrik N.Poulsen, James W. Raring, Daniel J.Blumenthal, Larry A. Coldren; Univ. ofCalifornia at Santa Barbara, USA. Regen-eration of transmission impairments isperformed using a monolithically-inte-grated photocurrent-driven wavelengthconverter. BER measurements show im-proved receiver sensitivity of 4, 4, and 11-dB for regeneration through the deviceafter 0, 25 and 50-km of fiber.

OThT2 • 3:15 p.m.Monolithically Integrated Multi-StageAll-Optical 10Gbps Push-Pull Wave-length Converter, Joseph A. Summers,Milan L. Masanovic, Vikrant Lal, Daniel J.Blumenthal; Univ. of California at SantaBarbara, USA. This paper reports on thenovel design and operation of amonolithically integrated multi-stagepush-pull wavelength converter. Resultsshow 4 dB improvement in extinctionratio and error-free performance for10Gbps push-pull operation.

OThU2 • 3:15 p.m.Fabrication of Silica-Based OpticalWaveguide Containing DensifiedSampled Grating by UV Beam Scanning,Ken Kashiwagi, Shinji Yamashita; Dept. ofElectronic Engineering, Graduate School ofEngineering, Univ. of Tokyo, Japan. Wepresent fabrication of silica-based opticalwaveguide containing densified sampledgrating by UV beam scanning. By intro-ducing preprocessed phase shift, 100GHzchannel spacing reflection spectra wasdouble densified to be 50GHz withoutelongating total length.

3:00 p.m.–5:00 p.m.NThF • FTTx: New Directions(Panel Discussion)

NThF • 3:00 p.m.FTTx: New Directions, Joseph Finn;Verizon, USA. The last few years have seenincreasing deployment of access technolo-gies such as Fiber to the Premises (FTTP)and Fiber to the Node (FTTN) that enablethe delivery of triple play (POTS, highspeed Internet, and broadcast video/VOD)services to customers. The fiber accessnetworks, requiring billions of dollars ofinvestment, will need to provide decadesof service and therefore must supporttechnology evolution from BPON toGPON and beyond to meet the increasingbandwidth demands while simultaneouslylowering the cost of providing services.The panel presentations will provide anoverview of the current state of technol-ogy and the various options under consid-eration by industry and standards organi-zations to evolve the technology.

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OThO • Fiber Dispersion andCerenkov Radiation—Continued

OThP • Fiber GratingDevices—Continued

OThQ • Carrier Services—Continued

OThR • Network Elements—Continued

OThS • WDM TransmissionSystems—Continued

OThO3 • 3:30 p.m.Generation of Femtosecond Pulses at1350 nm by Cherenkov Radiation inHigher-Order-Mode Fiber, Jennifer H.Lee1, James van Howe1, Chris Xu1,Siddharth Ramachandran2, Samir Ghalmi2,Man F. Yan2; 1Cornell Univ., USA, 2OFSLabs, USA. We demonstrate a method ofgenerating femtosecond pulses at 1350 nmby exciting Cherenkov radiation in ahigher-order-mode fiber with a 1064 nmsource. We measure a 134 fs, 0.66 nJ out-put pulse.

OThP3 • 3:30 p.m. InvitedRecent Progress on FBG-Based TunableDispersion Compensators for 40 Gb/sApplications, Yves Painchaud, MartinLapointe, François Trépanier, Richard L.Lachance, Carl Paquet, Martin Guy;TeraXion, Canada. The optical perfor-mance of state-of-the-art FBG-basedtunable dispersion compensators is givenin view of the recent advances. Results aregiven for a 33-channel device with 80GHz-bandwidth and for a 51-channeldevice with 40 GHz-bandwidth.

OThS3 • 3:30 p.m.124 x 10 Gbit/s RZ-DPSK Transmissionover 12380 km without ChannelizedChromatic Dispersion Management,Laurent Du Mouza, Sebastien Dupont,Pierre Marmier, Patrick Bollaert, MelanieJaouen, Vincent Letellier, Ghislaine Vareille;Alcatel Submarine Networks, France. Wereport transmission results of 124 RZ-DPSK channels modulated at 10.709 Gbit/s over 12380 km without channel chro-matic dispersion management and wedemonstrate industrial performance mar-gins for Terabit/s systems over transpacificdistances.

OThS4 • 3:45 p.m.1,000-km Transmission of 20-Gbit/sQPSK-NRZ Co-Polarized DWDM Sig-nals with Spectral Efficiency of 1 bit/s/HzUsing Coherent Detection, Sang-YuepKim, Kazuro Kikuchi; Univ. of Tokyo, Ja-pan. We demonstrate co-polarized 20-Gbit/s DWDM NRZ-QPSK transmissionover 1074 km using a phase-diversityoptical homodyne receiver. The spectralefficiency is as high as 1.05 bit/s/Hz, whichis limited by cross-phase modulationbetween DWDM channels.

OThO4 • 3:45 p.m.Cerenkov Radiation in Optical FiberCommunication, Susan Law1, SimonFleming1, Natalka Suchowerska2,3, DavidMcKenzie3, Terri Lin1; 1Optical Fibre Tech-nology Ctr., Univ. of Sydney, Australia,2Royal Prince Alfred Hospital, Australia,3School of Physics, Univ. of Sydney, Austra-lia. Theoretical predictions regarding theangular variation of Cerenkov radiationtransmitted along optical fibers are experi-mentally verified. The implications fortransmission in a radiation environmentare considered.

sales. Dr. Elby received a B.S. degree inOptical Engineering from the Universityof Rochester, NY, in 1982 and received aMSEE, M.Phil, and Ph.D. from ColumbiaUniversity in 1989, 1992, and 1994, re-spectively.

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OThT • Novel Devices—Continued

OThU • Novel OpticalDevices—Continued

NThE • Initial Applications ofEmerging Technologies—Continued

OThT3 • 3:30 p.m. InvitedSemiconductor-Based OpticalDemultiplexing and Wavelength Conver-sion at 320 Gbit/s, H. J. S. Dorren1, E.Tangdiongga1, Y. Liu1, Z. Li1, H. de Waardt1,A. M. J. Koonen1, G. D. Khoe1, XuewenShu2; 1Eindhoven Univ. of Tech., Nether-lands, 2Aston Univ., UK. We demonstrateerror-free 320 Gb/s SOA based opticaltime-domain demultiplexing and wave-length conversion. We show that ultra-fastoptical gating (1.8 ps) can be realized byusing a single SOA and a detuned opticalband-pass filter.

OThU3 • 3:30 p.m.All-Optical Wavelength Conversion inAs

2S

3 Chalcogenide Glass Rib

Waveguides, Michael R. E. Lamont1, VahidG. Ta’eed1, David J. Moss2, Benjamin J.Eggleton1, Duk-Yong Choi3, Steve Madden3,Barry Luther-Davies3; 1CUDOS, Univ. ofSydney, Australia, 2Univ. du Quebec,Canada, 3CUDOS, Australian Natl. Univ.,Australia. We report the first demonstra-tion of all-optical wavelength conversionin a 5cm As

2S

3 rib waveguide over 15nm

near 1550nm via cross-phase modulation,at low repetition rates and 10Gb/s RZ,while maintaining pulse amplitude andphase.

NThE2 • 3:40 p.m.A Novel Tunable DeMUX/MUX Solutionfor WSS-Based ROADM and WXCNodes, Lane Zong1, Xiaodong Huang2, TingWang1, Philip Ji1, Osamu Matsuda3,Milorad Cvijetic4; 1NEC Labs America,USA, 2Univ. of Texas at Dallas, USA, 3NECCorp., Japan, 4NEC America, Inc., USA. Weintroduce the applications and technolo-gies of tunable demultiplexers/multiplex-ers (DeMUX/MUX) in wavelength divi-sion multiplexing (WDM) networks. Wealso propose a novel solution using fixedwaveband filters to achieve similar provi-sioning flexibility and reduced controlcomplexity.

OThU4 • 3:45 p.m.Semi-Leaky Waveguide Optical Isolator,Tetsuya Mizumoto, Hideki Saito; TokyoInst. of Technology, Japan. A semi-leakyisolator was fabricated by bonding LiNbO

3

onto a magneto-optic garnet waveguide. A1.6mm-long device provides an isolationof 20.2dB at a wavelength of 1.55µm.

NThF • FTTx: New Directions(Panel Discussion)—Continued

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OThR2 • 4:00 p.m.Robust Gain Control Scheme of EDFABased Reconfigurable OADM for WDMMetro Applications, Tomasz J. Rogowski1,Stefano Faralli1, Fabrizio Di Pasquale1,Rodolfo Di Muro2, Bimal Nayar2; 1ScuolaSuperiore Sant’Anna, Italy, 2Ericsson Ltd.,UK. A simple and efficient gain controlscheme for EDFA-based Reconfigurable-OADM dedicated to metro applications isproposed. Each pair of input-output am-plifiers is gain clamped by single controlchannel @1532nm which bypasses theROADM node structure.

OThQ2 • 4:00 p.m.Multi-Area MPLS/GMPLSInteroperability Trial over 14-VendorPacket/TDM/ROADM/OXC Network,Wataru Imajuku1, Eiji Oki1, Rajiv Papneja2,Shinichiro Morishita3, Kenichi Ogaki4,Masanori Miyazawa4, Akira Nagata5,Hiroaki Nakazato.6, Hidetsugu Sugiyama7,John Allen7, Shinichi Hasegawa8, NobuhiroSakuraba8, Itaru Nishioka9, ShoichiroSeno10, Yoshihiro Nakahira11, DaisukeIshii12, Satoru Okamoto12, SashiVyravipillai13, Mark Blumhardt14, HariRakotoranto15, Richard Rabbat16, VijayPandian17; 1NTT, Japan, 2Isocore, USA,3Toyo Corp., Japan, 4KDDI Labs, Japan,5Fujitsu Labs, Japan, 6Fujitsu, Japan, 7Juni-per Networks, Japan, 8ITOCHU Techno-Solutions Corp., Japan, 9NEC Corp., Japan,10Mitsubishi Electric Corp., Japan, 11OkiElectric Industry Co., Japan, 12Keio Univ.,Japan, 13Agilent Technologies, Australia,14Alcatel USA Inc., USA, 15Cisco Systems,USA, 16Fujitsu Labs of America, Inc., USA,17Sycamore Networks, USA. A MPLS/GMPLS interoperability trial was con-ducted by switches from 14 vendors underinterior gateway routing protocol basedmulti-area routing architecture. The re-sults show the architecture is a promisingsolution and contain findings to improveinteroperability.

OThO5 • 4:00 p.m. Tutorial

Dispersion Compensating Fibers: Prop-erties and Applications, Lars Grüner-Nielsen; OFS Denmark, Denmark. Proper-ties of dispersion compensating fibers andimportance for systems applications arereviewed. Specific application such as inRaman amplifiers, as enabler for cheaptransmitters in short haul systems, anddispersion managed cable will be dis-cussed.

Lars Grüner-Nielsen was born inCopenhagen, Denmark, in 1959. He re-ceived his master degree in electrical engi-neering and Ph.D. in optical fibers fromthe Technical University of Denmark in1983 and 1998, respectively. From 1983 to1994 he worked at the Danish cablemanufacture NKT’s R&D department foroptical cables. Since 1994 he has worked atthe R&D department at OFS Denmark. AtOFS he has been working on developmentand application of new fibers and fibercomponents, especially dispersion com-pensating fibers (DCF). He has authoredor co-authored close to 90 scientific pa-pers, including more than 80 on DCF. Heholds seven patents on DCF. He is mem-ber of the ECOC technical program com-mittee since 2004 and a reviewer for sev-eral journals. Dr. Grüner-Nielsen is amember of OSA. In 2000 he received theelectro prize from the Danish Society ofEngineers.

OThP4 • 4:00 p.m. InvitedChalcogenide Glass Waveguides andGrating Devices for All-Optical SignalConditioning, Benjamin J. Eggleton1, V. G.Ta’eed1, N. Baker1, D. Y. Choi2, K.Finsterbusch1, L. B. Fu1, M. R. E. Lamont1,I. C. M. Littler1, B. Luther-Davies2, S. Mad-den2, D. J. Moss1, H. Nguyen1, M. Shokooh-Saremi1; 1Univ. of Sydney, Australia, 2Aus-tralian Natl. Univ., Australia. Review ofrecent achievements in chalcogenide glasswaveguide and fiber based all-opticalsignal processing devices utilizing bothshort and long period gratings as well asthe inherent ultra-fast, ultra-strong, third-order nonlinearities.

OThS5 • 4:00 p.m.Cost-effective 10.7-Gbit/s Long-HaulTransmission Using Fiber Bragg Grat-ings for In-Line Dispersion Compensa-tion, Dirk van den Borne1, VladimirVeljanovski2, Erik de Man3, UlrichGaubatz3, Claudio Zuccaro3, Carl Paquet4,Yves Painchaud4, Sander L. Jansen1, ErichGottwald3, Giok-Djan Khoe1, Huug deWaardt1; 1Eindhoven Univ. of Technology,Cobra Inst., Netherlands, 2Siemens AG,Program and System Engineering, Ger-many, 3Siemens AG, Communications,Germany, 4TeraXion Inc., Canada. Weshow the feasibility of more cost-effectivelong-haul transmission using Fiber BraggGratings (FBG) for in-line dispersioncompensation. 32x10.7-Gbit/s NRZmodulated channels are transmitted over40x95 km of SSMF using low group delayripple FBGs.

OThO • Fiber Dispersion andCerenkov Radiation—Continued





OThQ3 • 4:15 p.m.Dynamic Traffic Grooming ofSubwavelength Connections with KnownDuration, Massimo Tornatore1, AndreaBaruffaldi1, Hongyue Zhu2, BiswanathMukherjee3, Achille Pattavina1; 1Politecnicodi Milano, Italy, 2Blade Networks Technolo-gies, USA, 3Univ. of California at Davis,USA. For dynamic grooming of sub-wave-length connections in an optical meshnetwork, we investigate a new algorithmwhich exploits the holding time of con-nections to achieve significant reductionin blocking probability.

OThR3 • 4:15 p.m.All-Optical 2R-Regenerative Intercon-nection Node for DPSK Polarization-Division Multiplexed Systems, MikioYagi, Shuichi Satomi, Shiro Ryu; Lab,SoftBank Telecom Corp., Japan. We pro-pose an all-optical 2R-regenerative inter-connection node which is applied betweenwide area network and metro area net-work for DPSK polarization-divisionmultiplexed systems with the functions ofsignal format conversion and signal qual-ity improvement.

OThS6 • 4:15 p.m.Experimental Study of XPM in 10-Gb/sNRZ Pre-Compensated TransmissionSystems, Sander L. Jansen1, Itsuro Morita1,Dirk van den Borne2, Giok-Djan Khoe2,Huug de Waardt2, Peter Krummrich3;1KDDI R&D Labs Inc., Japan, 2Eindhoven,Univ. of Technology, Netherlands, 3SiemensCommunications, Germany. We experi-mentally assess the nonlinear tolerance of10-Gb/s NRZ in a pre-compensated dis-persion map. It is observed that even forrelatively wide 100-GHz channel-spacing,XPM further reduces the nonlinear toler-ance in contrast to periodically-compen-sated maps.

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OThT4 • 4:00 p.m.A Performance Optimization Method forSOA-MZI Devices, Jade P. Wang1, Bryan S.Robinson1, Shelby J. Savage1, Scott A.Hamilton1, Erich P. Ippen2, Ruomei Mu3,Hongsheng Wang3, Jiten Sarathy3, Boris B.Stefanov3; 1MIT Lincoln Lab, USA, 2MIT,USA, 3Alphion Corp., USA. We present anovel characterization method for semi-conductor optical amplifier Mach-Zehnder interferometer (SOA-MZI)switches which combines a pump-probemeasurement with an interferometer biasscan. This enables optimal bias identifica-tion and better understanding of switch-ing dynamics.

OThU5 • 4:00 p.m.Polarized Saturable AbsorbingWaveguide Using Carbon Nanotube-Polyimide Composite Material, ToshiyukiOomuro1,2, Ryosaku Kaji1, Taro Itatani1,Shun Matsuzaki1,2, Hiromichi Kataura1,Masafumi Yamashita2, YouichiSakakibara1,2; 1Natl. Inst. of Advanced In-dustrial Science and Technology (AIST),Japan, 2Tokyo Univ. of Science, Japan. In awaveguide using carbon nanotube-polyimide core we discovered polarizedabsorption probably due to the molecularalignment of nanotubes in the polyimidematrix. We observed efficient saturableabsorption at the polarization along themolecular alignment.

NThE3 • 4:00 p.m. InvitedThe Advantages of PIC Based DigitalOptical Networks, David F. Welch;Infinera Corp., USA. By changing the coststructure associated with the conversionof the optical signal into the electronicdomain, Photonic Integrated Circuits(PICs) have spawned a new network ar-chitecture; the Digital Optical Network.



NThE • Initial Applications ofEmerging Technologies—Continued

OThT5 • 4:15 p.m.THz Tunable Slow Light in Semiconduc-tor Optical Amplifiers, Forrest G.Sedgwick, Bala Pesala, Jui-Yen Lin, Wai SonKo, Xiaoxue Zhao, Connie Chang-Hasnain;Univ. of California at Berkeley, USA. Wereport tunable fractional delays up to250% for 1ps pulses propagating througha 1.55um semiconductor optical amplifierat room temperature. Tuning is accom-plished either optically or electrically withlow amplitude variation across entirerange.

OThU6 • 4:15 p.m.An Ultra-Compact Optical Interleaverwith High Performances Based onDouble-Ring Assisted Mach-ZehnderInterferometer, Zhipeng Wang1, S. J.Chang2, C. Y. Ni2, Y. J. Chen1; 1CSEE Dept.,Univ. of Maryland, Baltimore County, USA,2ITRI, Taiwan. We present an ultra-com-pact and high-performance opticalinterleaver based on micro-ring assistedMach-Zehnder interferometer (MZI)using ultra-high-index-contrast (UHIC)waveguide (∆n=17%). This interleaverexhibits flat and near-square passband andbetter than -30 dB stopband extinctionratio.


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OThP5 • 4:30 p.m.Impact of Phase Ripple in Fiber BraggGrating Based Tunable Dispersion Com-pensator On 10-Gb/s NRZ Transmission,Xuefeng Tang1, Na Young Kim1, SergeDouset2, Sophie LaRochelle2, John C.Cartledge1; 1Dept. of Electrical and Com-puter Engineering, Queen’s Univ., Canada,2Dept. of Electrical and Computer Engineer-ing, Univ. Laval, Canada. We investigatethe impact of phase ripple on the perfor-mance of a tunable dispersion compensa-tor using FBG-based distributed GTEs.The results reveal the implications of thephase ripple profile on the dispersioncompensating performance.

OThQ4 • 4:30 p.m.Approaches to Support Various Types ofTraffic in WDM Networks, Xin Liu,Chunming Qiao, Wei Wei; State Univ. ofNew York at Buffalo, USA. We investigatethree traffic grooming and static anddynamic bandwidth provisioning ap-proaches to support various types of traf-fic in WDM networks, and show in gen-eral, a polymorphous OCS/OBS approachis most efficient.

OThR4 • 4:30 p.m. InvitedMulti-Granularity OXC Architecture,Atsushi Takada, Masafumi Koga; NTTCorp., Japan. The recent development ofoptical switching system has triggeredresearch into the next step toward themulti-granularity optical cross-connect(MG-OXC). This paper highlights ourrecent activities on MG-OXC providingoptical burst to waveband switching.

OThS7 • 4:30 p.m. InvitedNetwork Upgrade from Telecom Opera-tors View, Dirk Breuer; Deutsche TelekomT-Systems, Germany. This paper looks intosome possible upgrade strategies for net-work upgrade from a telecom operatorspoint of view taking into account infra-structure conditions.





OThQ5 • 4:45 p.m.Theoretical and Experimental Study ofStatistical Decision Method for LinkCapacity Adjustment in Photonic IX,Shuto Yamamoto1, Ippei Shake1, TomohikoKurahashi2, Yukiyasu Tarui3, MitsunoriFukutoku1, Wataru Imajuku1, KojiSasayama1; 1NTT Corp., Japan, 2InternetInitiative Japan Inc., Japan, 3InternetMultifeed, Japan. This paper proposes astatistical decision method for link capac-ity adjustment and estimates the decisionparameters in order to achieve stable op-eration. The experimental results con-ducted using multiple paths confirm theeffectiveness of the method.

5:00 p.m.–5:30 p.m. Coffee Break, Exhibit Hall

5:30 p.m.–7:30 p.m. Postdeadline Paper Sessions

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OThT6 • 4:30 p.m.Tunable Slow Light Using Quantum DotVCSEL for Subcarrier Multiplexed Sys-tem, P. C. Peng1, C. T. Lin2, H. C. Kuo2, J. N.Liu2, W. K. Tsai2, G. Lin3, H. P. Yang3, K. F.Lin3, J. Y. Chi3, S. Chi2, S. C. Wang2; 1Natl.Chi Nan Univ., Taiwan, 2Natl. Chiao TungUniv., Taiwan, 3Industrial Technology Res.Inst., Taiwan. We demonstrate that theslow light device can be used in a SCMsystem for the first time. Tunable slowlight can be achieved by adjusting the biascurrent and wavelength detuning of QDVCSEL.

OThU7 • 4:30 p.m.Optical Burst and Transient Equalizerfor 10Gb/s Amplified WDM-PON, YangLiu1, Chi Wai Chow2, Chi Hang Kwok1, HonKi Tsang1, Chinlon Lin1; 1Chinese Univ. ofHong Kong, Hong Kong, 2Photonic SystemsGroup, Tyndall Natl. Inst. and Dept. ofPhysics, Univ. College Cork, Ireland. Wepropose and demonstrate an optical-burst-and-transient-equalizer (OBTE) onsilicon-on-insulator (SOI) to provide acompact and low-cost solution to com-pensate gain-transient, gain-spectrum-tiltand to equalize the upstream packetsamplitude in EDFA-amplified WDM-PON.



OThT7 • 4:45 p.m.Monolithic Integration of LatchableVertical Cavity Laser with Depleted Opti-cal Thyristor for Optical Logic Gates,Woon-Kyung Choi1, Doo-Gun Kim1, Yon-Tae Moon1, Do-Gyun Kim1, Young-WanChoi1, Seok Lee2, Deok-Ha Woo2; 1Chung-Ang Univ., Republic of Korea, 2Korea Inst. ofScience and Technology, Republic of Korea.We show latchable optical switches andoptical logic gates using the monolithicallyintegrated vertical cavity lasers with de-pleted optical thyristor. By simply chang-ing a reference switching voltage, thissingle device operates as two logic func-tions.

5:00 p.m.–5:30 p.m. Coffee Break, Exhibit Hall

5:30 p.m.–7:30 p.m. Postdeadline Paper Sessions


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