participating companies: azna llc essex kodeos communications opnext vitesse
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Interoperability Demonstration of P1V1-2C2 Application Code
for 120 km (2400 ps/nm)
OFC/NFOEC 2006March 7-9, 2006
Anaheim, CA
Participating Companies: Azna LLCEssexKodeos CommunicationsOpnextVitesse
Impact of 120 km ITU application
• The Problem:– Most point-to-point 2.5 Gbps links are < 120km– Market demands 2.5 Gb/s to 10 Gb/s upgrade– NRZ requires dispersion compensation– Carriers require solution with low upfront cost
• The Solution: Alternate Modulation Schemes – No dispersion compensation needed up to 120 km– New standard defined by P1V1-2C2 application code
• OIF Interoperability demo supports standard• Interoperability allows market wide adoption
New P1V1-2C2 Application CodeParameter Units P1V1‑ 2C2
General information –Maximum number of channels – 1Bit rate/line coding of optical tributary signals – NRZ 10GMaximum bit error ratio – 10-12
Fibre type – G.652Interface at point MPI-SOperating wavelength range nm –Central Frequency THz 192.1Maximum central frequency deviation GHz 40Source type – SLM
mW/10 MHz
Minimum side mode suppression ratio dB 30Maximum mean output power dBm +7Minimum mean output power dBm +4Minimum extinction ratio dB 9Eye Mask – NRZ 10G
AmplifiedOptical path from point MPI-S to MPI-RMaximum attenuation dB 33Minimum attenuation dB 21Maximum chromatic dispersion ps/nm 2400Minimum optical return loss at MPI-S dB 24Maximum discrete reflectance between MPI-S and MPI-R
dB -27
Maximum differential group delay ps 30Interface at point MPI-RMaximum mean input power dBm -14Minimum sensitivity dBm -30Maximum optical path penalty dB 1Maximum reflectance of optical network element
dB -27
Maximum spectral power density ffs
Optical Duobinary Chirp Managed Laser
NRZ 10G Amplified
x3–x2 (Note 2) 0.2
y1 + 0.25 (Note 1)
y2 + 0.75 (Note 1)
y3 0.25
y4 0.25
NOTE 1 – is a variable –0.25 < < +0.25NOTE 2 – x2 and x3 of the rectangular eye mask need not be equidistant with respect to the vertical axes at 0 UI and 1 UI.
NRZ 10 G Amplified Eye Mask Definition
Interoperability Demo Configuration
Eval PWB with 2 Transponders
(Vitesse, Azna)
Eval PWB with 2 Transponders
(Essex, Opnext)Eval PWB with 2
Transponders(Essex, Opnext)
SonetAnalyzer
(Optical I/O)
Eval PWB with 2 Transponders
(Essex, Kodeos, Opnext)
Ref VR
PowerRef LO
145 km Fiber
Coupler
ED
FA
Attn
PC Interface to monitor/control Transponder
8 ch splitter
CSATektronix
Preamp/Filter
ED
FA
Attn
PG
Eval PWB with 2 Transponders
(Vitesse, Azna)
Rx
Tx w Laser
PowerRef LO
Driver
CDR
ED
Demux(1x8)
Preamp/Filter
Preamp/Filter
Preamp/Filter
Attn
Filter
Preamp/Filter
2
3
3
2
Tx/Rx pairs of different vendors interoperate over 120 km
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Optical Signal to Noise Ratio (dB/0.1 nm)
Bit
Err
or
Rat
e R
atio
0 ps/nm Tx X to Rx Y
2339 ps/nm Tx X to Rx Y
0 ps/nm Tx Y to Rx X
2298 ps/nm Tx Y to Rx X
ERROR FREETx
Rx
Tx
Rx
X Y
AZNA CML™ Transmitter for 120 km
Azna DM80 CML for 120 km • ITUT P1V1-2C2 Compliant• Output Power = 4-7 dBm
• ER = 10 dB
• Bit Rate = 10.7 Gbps
• BB OSNR for 10-12 BER = 20 dB
• Dispersion Penalty < 1 dB
CML Optical Eye
CML Eye Mask
Available Form Factors
Butterfly XFP TOSA
1.E-13
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
-36 -35 -34 -33 -32 -31 -30 -29 -28
Received Power (dBm)
Bit
Err
or
Rat
e R
atio
2400 ps/nm
Back-to-Back
ITU 2400 ps/nm spec
3 dB BB Margin
ITU BB spec
4 dB Dispersion Margin
Duobinary Transponder
Essex Transponder for 120km
• ITUT P1V1-2C2 Compliant• Output Power = +5 dBm• ER = 9.2 dB• Bit Rate = 10.7 Gb/s• BB Sensitivity of -31dBm with a 70
GHz BW Filter (BER = 10-12)• Dispersion Penalty = -2 dB
Insert Favorite BER curve (OSNR curves translate to any EDFA, so they are preferred to sensitivity curves)
Insert picture of module
Marketing information
1.00E-12
1.00E-11
1.00E-10
1.00E-09
1.00E-08
1.00E-07
1.00E-06
1.00E-05
1.00E-04
1.00E-03
1.00E-02
-42.0 -40.0 -38.0 -36.0 -34.0 -32.0 -30.0
Room 2400ps/nm Room Back to Back
Performance Measured with a 70 GHz BW Optical Filter
Kodeos Marathon Products for 120 km Kodeos Marathon Product Line for 120 km • Compliant to ITUT P1V1-2C2 Code and Beyond
• ModelsBroadly Tunable C-/L-Band Transponder (Sydney)
Single Channel C-/L-Band Transponder (Toronto)
• Key Performances Optical Output Power = -2 to +11 dBm
Dispersion Penalty @ 120 km < 0 dB
Multi-Rate (9.95 – 11.09 Gb/s) - Tests @ 10.71 Gb/s
300 PIN MSA
Module
NRZ 10 GAmplified Mask
Opnext VLR Transponder for 120 km
Opnext TRV70A1 for 120 km • ITUT P1V1-2C2 Compliant• Output Power = 4-7 dBm
• ER > 7 dB
• Bit Rate = 9.95 Gbps
• BtB OSNR for 10-12 BER = 20 dB
• Dispersion Penalty < 1 dB
Filtered Eye
Available Form Factors
300pin MSA Transponder
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
12 13 14 15 16 17 18 19 20 21 22 23 24 25
OSNR (dB) (0.1nm)
BE
R
0ps/nm
2400ps/nm
Vitesse Duobinary Chipset for 120km Vitesse Tx and Rx Chain• VSC8479 Mux/Dmux w/Integ Precoder• Santur TL2020 tunable Source• Avanex F10-D MZ with LPF• VSC5526/TGA4953 Driver • BKHM PT10GC Rx module
– Built in with VSC7998 TIA• VSC1238/37 DMUX/MUX Pair
Rx block diagram
Tx block diagram
VSC8479 MUX with integ. Precoder
low power: 700mW
MUX or DEMUX only
DB Optical Eye
10.7Gb/s
DMUX/MUX
OSNR performance• NRZ: 17dB; DB: 20dB @1E-12• NRZ: <11dB; DB: 12.5dB @1E-3
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