plasmonics a platform for integrated photonics - bonjour... · 2020. 7. 19. · institute of...
TRANSCRIPT
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 1||
R. Bonjour, M. Burla, F. C. Abrecht, S. Welschen, C. Hoessbacher, W. Heni, B. Baeuerle, A.
Josten, C. Haffner, Y. Salamin, P. Leuchtmann, Y. Fedoryshyn,
Institute of Electromagnetic Fields (IEF), Zurich, Switzerland
Prof. Dr. Juerg Leuthold
Plasmonics
A Platform for Integrated Photonics
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 2||
Organic Hybrid Phase Modulator
What’s Plasmonic?
SiO2
Si
Au
x
y
wslot
NLO Material
Si
Au
L
x
z
Δ𝜑 = 𝐿𝑘0 ⋅ Δ𝑛eff = 𝐿𝑘0 ⋅1
2𝑛3𝑟33 𝐸slotΓ 𝑛slow
A. Melikyan, L. Alloatti et al. Nature Phot. (2014)
C. Haffner, W. Heni et al. Nature Phot. (2015)
Material Dependent
Waveguide
Dependent
Organic EO materials
• Large EO r33 coefficients
• Many materials available
• No bandwidth limitationSiO2
Au
NLO Material
200 nm
Driving electric field
Edrive,x
SiO2
Au
NLO Material
200 nm
Optical plasmonic mode
Eoptical,x
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 3||
Ultra-compact modulators
few µm-long → low area/cost, complex systems-on-a-chip, low
latency
Ultra-broad optical and RF bandwidth
→ operation up to mm-wave and sub-THz
→ can process signals with 10s-100s GHz bandwidth
Ultra-fast response
→ ultra-fast reconfigurability
Advantage of Plasmonic
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 4||
Plasmonic Mach-Zehnder Modulator
Line Rate up to 108 Gbit/s
Symbol Rate up to 72 GBd
Size limited by PicoProbe Size
Electrical BW > 70 GHz
Exemplary Achievements
BER = 1.9 × 10-6 BER = 3.5 × 10-5 BER = 1.8 × 10-2
54 Gbd BPSK
Vdrive≈ 3.5 V
72 Gbd BPSK
Vdrive≈ 4 V 54 Gbd 4-ASK
Vdrive≈ 2.5 V
W. Heni et al., «108 Gbit/s Plasmonic Mach-Zehnder Modulator with >70 GHz Electrical Bandwidth“, J. Lightwave Technol. 34, 1-1 (2015)
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 5||
Plasmonic Phased Array Feeder
Symbol Switching Time <1ns
Array Feeder with Active Area ~10µm2
Multiple Beams with single Feeder PAA
Exemplary Achievements
ff0
f1f
f
f
f
ff0
-ϕ2
-ϕ1
ϕ1
ϕ2
f
f
f
ff1f0
-ϕ2
-ϕ1
ϕ1
ϕ2
R. Bonjour et al., "Plasmonic phased array feeder enabling ultra-fast beam steering at millimeter waves», Opt. Express 24, 25608-25618 (2016)
Time [ns]
-2 -1 0 1 2 EVM=25.2%
EVM=24.4%
Use
r 1
Use
r 2
Half BW Rx (0.7 GHz for a 1 GBd Tx Signal)
Institute of Electromagnetic Fields (IEF) Romain Bonjour – [email protected] 07.02.2017 6||
On-Chip Integration is key to success
Plasmonic is not platform specific!
On-Chip Plasmonic & Microvave Photonics enables new network
concepts with direct O/E & E/O conversion
60 GHz Wireless link with 70 Gbit/s
Impact in Optical Communication
Central
Office
Central Remote
Antenna Unit
(RAU)Wireless Link
to other cells
(a) (b) (c)
(d)
RAU
F. Abrecht et al., "Pre-equalization technique enabling 70 Gbit/s photonic-wireless link at 60 GHz”, Opt. Express 26, 30350-30359 (2016)