Photonic Integrated Circuits in Telecommunications Preview of next Nick cartoon. Christopher R. Doerr
|
|
- Shanon Gilbert
- 5 years ago
- Views:
Transcription
1 Photonic Integrated Circuits in Telecommunications Preview of next Nick cartoon Christopher R. Doerr Microphotonics Mtg., Nov. 2009, slide 1 Alcatel-Lucent 2009
2 Outline Motivation Transmitters Passives ceivers Conclusion Note: this talk focuses on Bell Labs work Microphotonics Mtg., Nov. 2009, slide 2 Alcatel-Lucent 2009
3 Motivation Microphotonics Mtg., Nov. 2009, slide 3 Alcatel-Lucent 2009
4 search is no longer keeping up with bandwidth needs Internet traffic Cisco forecast 2 db/year Minnesota Traffic Study System capacity Gb/s Tb/s search records 2.5 db/year Single channel 0.5 db/year WDM channels 2010 R. W. Tkach, Bell Labs Tech. J., Microphotonics Mtg., Nov. 2009, slide 4 Alcatel-Lucent 2009
5 Google s needs Has 36 data centers Total of 800,000 servers Average single query takes 0.25 sec, accessing 1000 machines almost all information kept in RAM Want 2-Tb/s transceiver today Want 8-Tb/s links today Microphotonics Mtg., Nov. 2009, slide 5 Alcatel-Lucent 2009
6 Advanced modulation formats Advanced modulation formats can increase the capacity of a single fiber and/or tolerance to filtering and dispersion OOK BPSK DB b/symbol = 1 QPSK b/symbol = 2 16 QAM TE PDM-QPSK TM Microphotonics Mtg., Nov. 2009, slide 6 Alcatel-Lucent 2009 b/symbol = 4 OOK = on-off keying BPSK = binary phase-shift keying DB = duobinary QPSK = quadrature phase-shift keying QAM = quadrature amplitude modulation PDM = polarization-division multiplexed
7 Typical optical coherent link 23 optical components 29 intra-component connections Data #1 Data #2 Laser PBS Data #3 Data #4 This is the golden age of photonic integration Laser Signal PBS X-pol Y-pol 90 hybrid LO 90 hybrid PD PD PD PD PD PD PD PD A/D A/D A/D A/D DSP 13 optical components 13 intra-component connections Data #1 Data #2 Data #3 Data #4 Microphotonics Mtg., Nov. 2009, slide 7 Alcatel-Lucent 2009
8 Popular PIC material systems Silica on silicon Pro: Low loss, precise w.g. Con: Mainly passive, large Main product:: Mux/Demux Lithium niobate (LN) Pro: High speed, linear Con: Large, expensive Main product:: Modulator Indium phosphide (InP) Pro: Laser, high speed, small Con: Expensive, lossy Main product:: Laser, receiver, modulator Silicon on insulator (SOI) Pro: High yield Con: Lossy, no laser Main product: VOA, APD, receiver, modulator Microphotonics Mtg., Nov. 2009, slide 8 Alcatel-Lucent 2009
9 Where are PICs well established in Glass telecommunications? Mux/demux, Vmux, 2-D ROADM LiNbO 3 MZI modulator, nested MZI modulator III-V IV EML, tunable lasers, multi-wavelength Tx and Rx Fast VOAs Microphotonics Mtg., Nov. 2009, slide 9 Alcatel-Lucent 2009
10 Where are PICs emerging in telecommunications? Glass PSK demodulators, 90 hybrids Tunable optical dispersion compensators LiNbO 3 Dual polarization I-Q modulators III-V IV Advanced modulation format Tx and Rx Multi-wavelength Tx and Rx Microphotonics Mtg., Nov. 2009, slide 10 Alcatel-Lucent 2009
11 Transmitters Microphotonics Mtg., Nov. 2009, slide 11 Alcatel-Lucent 2009
12 First transmitter PIC EML = electroabsorption-modulated laser DFB laser EAM M. Suzuki, et al., J. Lightwave Technol., vol. LT-5, pp , Microphotonics Mtg., Nov. 2009, slide 12 Alcatel-Lucent 2009
13 EMLs are very successful 10-Gb/s small form-factor pluggable (XFP) transceiver Transmitter optical sub-assembly (TOSA) DWDM XFP: ~$ W -1 to +3 dbm 80 km ceiver optical subassembly (ROSA) But spectral efficiency is very poor Microphotonics Mtg., Nov. 2009, slide 13 Alcatel-Lucent 2009
14 Constellation OOK Time domain Frequency domain Typical generation Data 90 p-p Opt. power Opt. power Frequency Time Typical reception or 90 Data 90 p-p Microphotonics Mtg., Nov. 2009, slide 14 Alcatel-Lucent 2009
15 Advanced modulation formats OOK BPSK DB b/baud = 1 QPSK b/baud = 2 TE 16 QAM PDM-QPSK Microphotonics Mtg., Nov. 2009, slide 15 Alcatel-Lucent 2009 TM b/baud = 4 OOK = on-off keying BPSK = binary phase-shift keying DB = duobinary QPSK = quadrature phase-shift keying QAM = quadrature amplitude modulation PDM = polarization-division multiplexed
16 Constellation BPSK Time domain Frequency domain Typical generation Data 180 p-p Opt. power Opt. power Frequency Time Typical reception 180 Data 180 p-p Microphotonics Mtg., Nov. 2009, slide 16 Alcatel-Lucent 2009
17 Constellation DB Time domain Frequency domain Typical generation Opt. power Opt. power Frequency Time Typical reception Data 180 p-p 180 or Data 180 p-p 180 p-p p-p Microphotonics Mtg., Nov. 2009, slide 17 Alcatel-Lucent 2009
18 Existing wavelength-selectable laser and DB modulator PIC SG-DBR Laser MZ Modulator Amplifier Front Mirror GainPhase ar Mirror PM PM π Optical duobinary transmission MQW active regions Sampled gratings Courtesy of JDSU 10 Gb/s Microphotonics Mtg., Nov. 2009, slide 18 Alcatel-Lucent 2009
19 lating electroabsorption and electrorefraction T V increasing V + p n ΔT λ λ QCSE Δφ λ Blue chirp d chirp Microphotonics Mtg., Nov. 2009, slide 19 Alcatel-Lucent 2009
20 High-speed absorption vs. phase modulators in InP 40-Gb/s absorption modulator 100 µm Data Electro-absorption modulator (EAM) B. Mason, et al., IEEE Photon. Technol. Lett., vol. 14, pp , Gb/s phase modulator 4 mm Data H. N. Klein, et al., paper TuA2.4, Integrated Photonics search M Microphotonics Mtg., Nov. 2009, slide 20 Alcatel-Lucent 2009
21 BPSK: can generate using phase or amplitude mod. Constellation Time domain Frequency domain Typical generation Data 180 p-p 180 Phase mod. Data 180 p-p Data on-off Opt. power Opt. power Frequency Time Typical reception Amplitude mod. 180 Data on-off Microphotonics Mtg., Nov. 2009, slide 21 Alcatel-Lucent 2009
22 DB: phase or amp. mod. Constellation Time domain Frequency domain Typical generation Opt. power Opt. power Frequency Time Data 180 p-p 180 Data 180 p-p Typical reception Phase mod. Data on-off 180 Data on-off Amplitude mod. Microphotonics Mtg., Nov. 2009, slide 22 Alcatel-Lucent 2009
23 85-Gb/s duobinary modulator PIC 1 2 MMI coupler QCSE modulator Phase shifter InP chip C. R. Doerr, IEEE Photon. Tech. Lett. Microphotonics Mtg., Nov. 2009, slide 23 Alcatel-Lucent 2009
24 LN sults Data 85.4 Gb/s PRBS 5 ps InP Laser Mod. 1 nm Data LiNbO 3 0 km InP 0 km InP 2 km 85.4 Gb/s Microphotonics Mtg., Nov. 2009, slide 24 Alcatel-Lucent 2009
25 Pros and cons of novel DB modulator Uses QCSE closer to band edge so shorter and faster Low chirp despite combination of amplitude and phase modulation More lossy than pure phase modulation Microphotonics Mtg., Nov. 2009, slide 25 Alcatel-Lucent 2009
26 Advanced modulation formats OOK BPSK DB b/baud = 1 QPSK b/baud = 2 TE 16 QAM PDM-QPSK Microphotonics Mtg., Nov. 2009, slide 26 Alcatel-Lucent 2009 TM b/baud = 4 OOK = on-off keying BPSK = binary phase-shift keying DB = duobinary QPSK = quadrature phase-shift keying QAM = quadrature amplitude modulation PDM = polarization-division multiplexed
27 QPSK Constellation Time domain Frequency domain Typical generation Data #1 180 p-p Opt. power Opt. power Frequency 90 or 180 Data #2 180 p-p 2 Time Typical reception LO 90 hybrid D S P Microphotonics Mtg., Nov. 2009, slide 27 Alcatel-Lucent 2009
28 InP QPSK modulator PIC using 2 EAMs 1.7 mm Star coupler Ground pad EAM pad DC bias pad 37% EAM #1 0 Au p + InGaAs 26% µm p InP 37% Inlet width ratio chosen to achieve desired splitting ratio EAM #2 +90 BCB i InP 8 QWs n InP Set to 90 bias by design (using extra path length in one arm) C. R. Doerr, et al., OFC, PDP33, Microphotonics Mtg., Nov. 2009, slide 28 Alcatel-Lucent 2009
29 Setup 39.8-Gb/s data 79.6 Gb/s 23 ps Laser nm OA OA MZDI 39.8 Gb/s 39.8-Gb/s data delayed by 28 bits DQPSK receiver 4.5 V p-p, -3.3 V bias Microphotonics Mtg., Nov. 2009, slide 29 Alcatel-Lucent 2009
30 sults 10 ps Microphotonics Mtg., Nov. 2009, slide 30 Alcatel-Lucent 2009
31 Pros and cons of novel QPSK modulator ~40 times shorter than LiNbO 3 QPSK modulator Lumped-element, well suited for high speed Significantly more lossy than phasebased MZI modulator Exhibits some chirp Microphotonics Mtg., Nov. 2009, slide 31 Alcatel-Lucent 2009
32 Advanced modulation formats OOK BPSK DB b/baud = 1 QPSK b/baud = 2 TE 16 QAM PDM-QPSK Microphotonics Mtg., Nov. 2009, slide 32 Alcatel-Lucent 2009 TM b/baud = 4 OOK = on-off keying BPSK = binary phase-shift keying DB = duobinary QPSK = quadrature phase-shift keying QAM = quadrature amplitude modulation PDM = polarization-division multiplexed
33 16-QAM Constellation Time domain Frequency domain Typical generation Digital data #1 Digital data # Opt. power Opt. power Digital data #3 Digital data #4 Microphotonics Mtg., Nov. 2009, slide 33 Alcatel-Lucent 2009 or Frequency Multilevel Multilevel Time Typical reception LO 90 hybrid D S P
34 Novel 16 QAM modulator PIC EAM #1 EAM # mm Stretched vertically for clarity Star coupler EAM #3 EAM # Phase shifter/ attenuator Pulse carver EAM (not used) Use same output inlet width for all four ports. Input inlet width selected to achieve the 1:2:2:1 power splitting ratio. C. R. Doerr, et al., OFC, PDP20, Microphotonics Mtg., Nov. 2009, slide 34 Alcatel-Lucent 2009
35 Operation principle Microphotonics Mtg., Nov. 2009, slide 35 Alcatel-Lucent 2009
36 Operation principle Microphotonics Mtg., Nov. 2009, slide 36 Alcatel-Lucent 2009
37 Operation principle Microphotonics Mtg., Nov. 2009, slide 37 Alcatel-Lucent 2009
38 Operation principle Microphotonics Mtg., Nov. 2009, slide 38 Alcatel-Lucent 2009
39 Operation principle Microphotonics Mtg., Nov. 2009, slide 39 Alcatel-Lucent 2009
40 A 4 EAMs driven with independent data streams Microphotonics Mtg., Nov. 2009, slide 40 Alcatel-Lucent 2009
41 Experimental setup 10.7 Gb/s 10.7 Gb/s 43-Gb/s 16 QAM Laser PIC 90 hybrid 50 GS/s scope 10.7 Gb/s 10.7 Gb/s 4-ps sampling period 40-ns sequence Microphotonics Mtg., Nov. 2009, slide 41 Alcatel-Lucent 2009
42 sults sidual carrier 8 GHz 10.7 Gbaud PRBS BER for Q quadrature = 9.3 x 10-4 BER for I quadrature = very high due to shifting Microphotonics Mtg., Nov. 2009, slide 42 Alcatel-Lucent 2009
43 Pros and cons of novel 16- QAM modulator Extremely compact Simple to operate no bias drift Potential for very high speed Higher insertion loss than if use pure phase modulators Microphotonics Mtg., Nov. 2009, slide 43 Alcatel-Lucent 2009
44 Advanced modulation formats OOK BPSK DB b/baud = 1 PDM-OOK TE TM QPSK b/baud = 2 TE 16 QAM PDM-QPSK Microphotonics Mtg., Nov. 2009, slide 44 Alcatel-Lucent 2009 TM b/baud = 4 OOK = on-off keying BPSK = binary phase-shift keying DB = duobinary QPSK = quadrature phase-shift keying QAM = quadrature amplitude modulation PDM = polarization-division multiplexed
45 Novel PDM-OOK modulator PIC Data #1 Laser PBS EAM EAM PBS Polarization oriented 45 to the PIC Data #2 PBS = polarization beam splitter EAM = electro-absorption modulator C. R. Doerr, et al., OFC, PDP19, Microphotonics Mtg., Nov. 2009, slide 45 Alcatel-Lucent 2009
46 Integrated PBS ΔL TE TM (at certain wavelengths) We chose ΔL = 66 µm. Other published PBS designs are broadband, but require additional/critical processing e.g., L. B. Soldano, et al., IEEE PTL, pp , M. R. Watts, et al., OFC, PDP11, Microphotonics Mtg., Nov. 2009, slide 46 Alcatel-Lucent 2009
47 PDM-OOK modulator PIC layout 4.0 mm EAMs PBS PBS Microphotonics Mtg., Nov. 2009, slide 47 Alcatel-Lucent 2009 Stretched vertically for clarity Current injection phase shifters for adjusting the PBS wavelength (not used in the experiment reported here)
48 Laser sults 40-Gb/s data PIC 40-Gb/s data (delayed by 6 bits) Polarizer Both on, no polarizer at Rx Both on Alone Pol. #1 Microphotonics Mtg., Nov. 2009, slide 48 Alcatel-Lucent 2009 Pol. #2
49 Pros and cons of novel PDM modulator Simple and robust PBS Very low crosstalk PBS is wavelength dependent Difficult to monolithically integrate with laser Microphotonics Mtg., Nov. 2009, slide 49 Alcatel-Lucent 2009
50 Tunable optical dispersion = adjustable phase shifter compensators = adjustable coupler = adjustable lens IIR FIR All-pass filters Bragg gratings (CFBG) Coherently connected interferometers Tapped delay line (Excess loss for flat-top passband) Rings GT etalons 2-arm interferometers (Fourier/lattice filter) Gratings Series arrangement Parallel arrangement (Transversal filter) VIPA Multiple controls Single control (No phase shifters) AWG Pro: compact and simple Con: excess loss and limited compensation Microphotonics Mtg., Nov. 2009, slide 50 Alcatel-Lucent 2009
51 Novel EAM and TODC PIC Variable attenuator 2ΔL ΔL Phase shifter Time Waveguide layout EAM Time Device photograph Star coupler 0 ps 2.2 mm 14.3 ps 28.6 ps C. R. Doerr, et al., OFC, PDP45, Variable attenuators (negative voltage) Phase shifters (positive voltage) Microphotonics Mtg., Nov. 2009, slide 51 Alcatel-Lucent 2009
52 sults -106 ps/nm Dispersion range center is offset because of the EAM chirp Laser 1559 nm OA 5.6 V p-p, -2.8 V bias 39.8-Gb/s data EAM+TODC OA 0 ps/nm +174 ps/nm OA -106 ps/nm Without equalization +174 ps/nm With equalization 0 ps/nm Without equalization With equalization Total TODC power consumption < 500 µw Microphotonics Mtg., Nov. 2009, slide 52 Alcatel-Lucent 2009
53 Pros and cons of novel TODC Integrated into PIC Very low power consumption ~5000 times less than electronic compensation This particular design not scalable to large dispersion Microphotonics Mtg., Nov. 2009, slide 53 Alcatel-Lucent 2009
54 Passives Microphotonics Mtg., Nov. 2009, slide 54 Alcatel-Lucent 2009
55 b/s/Hz 16-QAM experiment Odd TX 1 Even TX 2 EDFAs 3-dB Coupler PC PC 14-GBaud PDM 16 QAM I L Switch 112 Gb/s per channel GHz channel spacing PC Delay (~20 ns) PC PBS Switch ~80 km SSMF 4 Tunable filter (0.25 nm) Microphotonics Mtg., Nov. 2009, slide 55 Alcatel-Lucent Loops (630 km) Raman EDFA Pol-div. 90 deg Hybrid (18-pm resolution bandwidth) 150 GHz (1.2 nm) Oscilloscope LO A. H. Gnauck, OFC, PD, Slide courtesy of A. H. Gnauck I x Q x I y Q y A/D A/D A/D A/D
56 Novel PLC interleaver Simulated 1 2 coupler AWL AWG AWG Measured Theoretically zero chromatic dispersion over entire band Microphotonics Mtg., Nov. 2009, slide 56 Alcatel-Lucent 2009
57 Pros and cons of novel interleaver Very high-order Gaussian passbands Theoretically very low dispersion Path lengths are so long that need UV trimming Microphotonics Mtg., Nov. 2009, slide 57 Alcatel-Lucent 2009
58 ceivers Microphotonics Mtg., Nov. 2009, slide 58 Alcatel-Lucent 2009
59 First receiver PIC Heterodyne receiver LO laser T. L. Koch, et al., Electron. Lett., vol. 25, pp , Also, H. Takeuchi, et al., IEEE Photon. Tech. Lett., vol. 1, pp , Microphotonics Mtg., Nov. 2009, slide 59 Alcatel-Lucent 2009
60 Typical fiber-to-the-home system Diplexers 1.3 µm 1.5 µm 1.5 µm 1.3 µm Microphotonics Mtg., Nov. 2009, slide 60 Alcatel-Lucent 2009
61 Diplexer filter using a grating coupler Problem: works for only one polarization D. Vermeulen, et al., ECOC, Tu.3.C.6, Microphotonics Mtg., Nov. 2009, slide 61 Alcatel-Lucent 2009
62 Previously proposed polarization diversity scheme 1270 nm, Y pol nm, X pol nm, X pol nm, Y pol. X+Y pol X-Y pol Problem: tilt angle is very large (~18 ), resulting in high PDL G. Roelkens, et al., Opt. Exp., pp , Microphotonics Mtg., Nov. 2009, slide 62 Alcatel-Lucent 2009
63 Our proposed pol. diversity scheme 1270 nm, X pol nm, Y pol nm By using both Γ-X and Γ-M directions, the tilt is much smaller (~9 ) C. R. Doerr, et al., IEEE Photon. Tech. Lett., Microphotonics Mtg., Nov. 2009, slide 63 Alcatel-Lucent 2009
64 Grating coupler design 1270 nm, X pol nm, Y pol. k in,x sinθ k out, X sinθ k out,m X Γ M X k out,x a 1577 nm al space Spatial frequency domain Microphotonics Mtg., Nov. 2009, slide 64 Alcatel-Lucent 2009
65 Diplexer schematic 1577 nm 1270 nm Grating coupler Ge PD MZI filter 1270 nm X pol 1270 nm Y pol 1577 nm Central office type of diplexer Microphotonics Mtg., Nov. 2009, slide 65 Alcatel-Lucent 2009
66 Photograph of diplexer 2.1 mm Silicon with Ge detectors Microphotonics Mtg., Nov. 2009, slide 66 Alcatel-Lucent 2009
67 System results Pol. DFB scr µm 3 Gb/s Att. Microphotonics Mtg., Nov. 2009, slide 67 Alcatel-Lucent 2009
68 Pros and cons of novel diplexer Compact Low polarization dependence Currently poor responsivity Difficult to have high return loss Microphotonics Mtg., Nov. 2009, slide 68 Alcatel-Lucent 2009
69 Novel DQPSK receiver PIC Current-injection phase shifter pad Thermo-optic phase shifter pad n-contact pads 1 2 MMI coupler 2 4 star coupler Photodetector pads 3.2 mm C. R. Doerr, et al., OFC, PDP23, Microphotonics Mtg., Nov. 2009, slide 69 Alcatel-Lucent 2009
70 Packaged device Fiber Microphotonics Mtg., Nov. 2009, slide 70 Alcatel-Lucent 2009 GPPO connector
71 Packaged device Fiber Microphotonics Mtg., Nov. 2009, slide 71 Alcatel-Lucent 2009 GPPO connector
72 DQPSK transmitter 1550 nm 86-Gb/s results 86-Gb/s NRZ-DQPSK 1.1-dB variation over all input polarizations 10 ps/div (single-ended detection) Microphotonics Mtg., Nov. 2009, slide 72 Alcatel-Lucent 2009
73 FPGA Gb/s 4:1 Mux 4:1 Mux Data Data Data Data 107-Gb/s results 53.5 Gb/s Quadrature (Q) DFB 53.5 Gb/s In-phase (I) π/ GHz OEQ 107-Gb/s RZ-DQPSK 1590 nm (single-ended detection) Courtesy of P. J. Winzer Pre-coded, FEC encoded SONET pattern with PRBS payload Error floor at BER The FEC corrected it to error free Microphotonics Mtg., Nov. 2009, slide 73 Alcatel-Lucent ps/div
74 Pros and cons of novel DQPSK receiver Extremely compact Polarization dependence not low enough for real system probably because of polarization crosstalk in the bends and couplers Microphotonics Mtg., Nov. 2009, slide 74 Alcatel-Lucent 2009
75 Coherent reception Signal X-pol Y-pol Local oscillator (LO) Passive optics s x +l s x -l s x +jl s x -jl s y +l s y -l s y +jl s y -jl DSP Advantages proved sensitivity over direct detection Detect magnitude and phase duce symbol rate by factor of 2 by using two polarizations DSP can correct transmission impairments Obviates some wavelength demultiplexing Microphotonics Mtg., Nov. 2009, slide 75 Alcatel-Lucent 2009
76 Conventional coherent receiver Signal PBS X-pol Y-pol 90 hybrid PD PD PD PD IX QX LO 90 hybrid PD PD PD PD IY QY 12 intra-component connections Skew must be kept small a b 90 hybrid (a+b)/2 (a-b)/2 (a+jb)/2 (a-jb)/2 Microphotonics Mtg., Nov. 2009, slide 76 Alcatel-Lucent 2009
77 Coherent receiver PICs Single pol., single quad. coherent Rx PIC T. L. Koch, et al., Electron. Lett., vol. 25, pp , Also, H. Takeuchi, et al., IEEE Photon. Tech. Lett., vol. 1, pp , Dual pol., single quad. coherent Rx PIC R. J. Deri, et al., IEEE Photon. Tech. Lett., p. 1238, III-V III-V Single pol., dual quad. coherent Rx PIC H.-G. Bach, et al., OFC, OMK5, III-V Dual pol., dual quad. coherent Rx PIC C. R. Doerr, et al., OFC, PDPB2, IV Microphotonics Mtg., Nov. 2009, slide 77 Alcatel-Lucent 2009
78 Novel Si/Ge dual pol. dual quad. coherent Rx PIC Germanium photodetector Thermooptic phase shifter Capacitor QY LO 127 µm QX IX Signal IY 2 2 MMI coupler 3.6 mm Microphotonics Mtg., Nov. 2009, slide 78 Alcatel-Lucent 2009
79 Grating coupler Y-pol Grating coupler serves as 1. fiber coupler 2. spot-size converter 3. polarization splitter λ/n eff 4. two 50/50 splitters X-pol All TE pol on chip X-pol Y-pol D. Taillert, et al., IEEE Photon. Technol. Lett., pp. 1249, Microphotonics Mtg., Nov. 2009, slide 79 Alcatel-Lucent 2009
80 Grating coupler details 220 nm Side view Microphotonics Mtg., Nov. 2009, slide 80 Alcatel-Lucent 2009
81 Principle of operation QY QX LO Equal path lengths Signal IX IY Stretched vertically for clarity Microphotonics Mtg., Nov. 2009, slide 81 Alcatel-Lucent 2009
82 Principle of operation X polarization QY QX IX IY Microphotonics Mtg., Nov. 2009, slide 82 Alcatel-Lucent 2009
83 Principle of operation Y polarization QY QX IX IY Microphotonics Mtg., Nov. 2009, slide 83 Alcatel-Lucent 2009
84 Photograph of PIC 3.6 mm Microphotonics Mtg., Nov. 2009, slide 84 Alcatel-Lucent 2009
85 Photodetector Ge µm 2 n Ge p+ p p+ Si PD bandwidth ~5 GHz with 50-Ω load, probably limited by capacitance Microphotonics Mtg., Nov. 2009, slide 85 Alcatel-Lucent 2009
86 Measured responsivity 53 nm From either signal fiber or LO fiber to any PD Wavelength dependence is due to the grating coupler Microphotonics Mtg., Nov. 2009, slide 86 Alcatel-Lucent 2009
87 Estimated loss breakdown Fiber coupling = 4 db Waveguide propagation loss = 1 db 2 2 MMI couplers = 1 db PD responsivity = 2 db Total excess loss = 8 db Microphotonics Mtg., Nov. 2009, slide 87 Alcatel-Lucent 2009
88 Experimental setup 10.7 or 28 Gb/s ECL 10.7 or 28 Gb/s PRBS 112-Gb/s PDM-QPSK PBS Pol-mux ECL Signal LO Coh Rx PIC Storage scope Fiber array DC probe High-speed probe Row of silicon PICs Microphotonics Mtg., Nov. 2009, slide 88 Alcatel-Lucent 2009
89 Electrical connections TO V+ G S G G S G V- TO V+ G S G G S G V- Bias voltages = ±1.5V TO voltages = 1.6 and 3.7 V Microphotonics Mtg., Nov. 2009, slide 89 Alcatel-Lucent V +V G S G
90 43-Gb/s results (0 errors in symbols at 19.8 db OSNR) Microphotonics Mtg., Nov. 2009, slide 90 Alcatel-Lucent 2009
91 112-Gb/s results 112-Gb/s PRBS BER = Mainly limited by PD bandwidth of ~5 GHz (receiving 28 Gbaud) Microphotonics Mtg., Nov. 2009, slide 91 Alcatel-Lucent 2009
92 Pros and cons of novel coherent receiver Uses high-yield silicon process on 8 wafer Light is coupled from top so can do onwafer testing and need no polished facet Have only TE polarization on chip Currently photodetector bandwidth is too low Microphotonics Mtg., Nov. 2009, slide 92 Alcatel-Lucent 2009
93 Conclusion Microphotonics Mtg., Nov. 2009, slide 93 Alcatel-Lucent 2009
94 Urgent future work for telecommunications High capacity single-channel PICs 100 Gb/s and beyond High capacity multi-channel PICs 400 Gb/s and beyond Athermal PICs Very low power modulators with low loss < 1.5 V for CMOS driving L- band photodetectors integrated on silicon Microphotonics Mtg., Nov. 2009, slide 94 Alcatel-Lucent 2009
95 Longer term work for telecommunications Solve the coming capacity crunch what will we do after we have exhausted WDM and advanced modulation formats? Solve the coming power consumption conundrum what will we do when telecommunications consumes most of the world s electrical power? Special thank you to L. Zhang, L. Buhl, P. Winzer, P. Bernasconi, N. Sauer, J. Sinsky, A. Adamiecki, A. H. Gnauck, G. Raybon, L. Chen, N. Weimann, D. Neilson, Y.K. Chen, M. Zirngibl Microphotonics Mtg., Nov. 2009, slide 95 Alcatel-Lucent 2009
PLC-based integrated devices for advanced modulation formats
ECOC 2009 workshop 7-5 Sep. 20, 2009 PLC-based integrated devices for advanced modulation formats Y. Inoue NTT Photonics Labs. NTT Corporation NTT Photonics Laboratories Hybrid integration of photonics
More informationPeter J. Winzer Bell Labs, Alcatel-Lucent. Special thanks to: R.-J. Essiambre, A. Gnauck, G. Raybon, C. Doerr
Optically-routed long-haul networks Peter J. Winzer Bell Labs, Alcatel-Lucent Special thanks to: R.-J. Essiambre, A. Gnauck, G. Raybon, C. Doerr Outline Need and drivers for transport capacity Spectral
More informationCoherent Receivers: A New Paradigm For Optical Components. ECOC Market Focus September 20, 2010
Photonic Integrated Circuit Based Coherent Receivers: A New Paradigm For Optical Components G. Ferris Lipscomb ECOC Market Focus September 20, 2010 Agenda Advanced Coding Schemes Use Phase Encoding To
More informationL évolution des systèmes de transmission optique très haut débit et l impact de la photonique sur silicium
L évolution des systèmes de transmission optique très haut débit et l impact de la photonique sur silicium G. Charlet 27-November-2017 1 Introduction Evolution of long distance transmission systems: from
More information40Gb/s & 100Gb/s Transport in the WAN Dr. Olga Vassilieva Fujitsu Laboratories of America, Inc. Richardson, Texas
40Gb/s & 100Gb/s Transport in the WAN Dr. Olga Vassilieva Fujitsu Laboratories of America, Inc. Richardson, Texas All Rights Reserved, 2007 Fujitsu Laboratories of America, Inc. Outline Introduction Challenges
More informationLow Power DSP and Photonic Integration in Optical Networks. Atul Srivastava CTO, NTT Electronics - America. Market Focus ECOC 2014
Low Power DSP and Photonic Integration in Optical Networks Atul Srivastava CTO, NTT Electronics - America Market Focus ECOC 2014 Outline 100G Deployment Rapid Growth in Long Haul Role of Modules New Low
More informationHigh Speed Detectors. Andreas Umbach ECOC 2009, Workshop 7 Monolithic and Hybrid Photonic Integrated Transceivers for Advanced Modulation Formats
High Speed Detectors Andreas Umbach ECOC 2009, Workshop 7 Monolithic and Hybrid Photonic Integrated Transceivers for Advanced Modulation Formats 100 Gbit/s Long-Haul Transport Optical networks use "standardized"
More informationIntroduction and concepts Types of devices
ECE 6323 Introduction and concepts Types of devices Passive splitters, combiners, couplers Wavelength-based devices for DWDM Modulator/demodulator (amplitude and phase), compensator (dispersion) Others:
More informationPerformance Analysis of 112 Gb/s PDM- DQPSK Optical System with Frequency Swept Coherent Detected Spectral Amplitude Labels
, June 29 - July 1, 2016, London, U.K. Performance Analysis of 112 Gb/s PDM- DQPSK Optical System with Frequency Swept Coherent Detected Spectral Amplitude Labels Aboagye Isaac Adjaye, Chen Fushen, Cao
More information40Gb/s Optical Transmission System Testbed
The University of Kansas Technical Report 40Gb/s Optical Transmission System Testbed Ron Hui, Sen Zhang, Ashvini Ganesh, Chris Allen and Ken Demarest ITTC-FY2004-TR-22738-01 January 2004 Sponsor: Sprint
More informationLecture 7 Fiber Optical Communication Lecture 7, Slide 1
Dispersion management Lecture 7 Dispersion compensating fibers (DCF) Fiber Bragg gratings (FBG) Dispersion-equalizing filters Optical phase conjugation (OPC) Electronic dispersion compensation (EDC) Fiber
More information1 COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
1 ECOC 2011 WORKSHOP Space-Division Multiplexed Transmission in Strongly Coupled Few-Mode and Multi-Core Fibers Roland Ryf September 18 th 2011 CONTENTS 1. THE CAPACITY CRUNCH 2. SPACE DIVISION MULTIPLEXING
More informationGlobal Consumer Internet Traffic
Evolving Optical Transport Networks to 100G Lambdas and Beyond Gaylord Hart Infinera Abstract The cable industry is beginning to migrate to 100G core optical transport waves, which greatly improve fiber
More informationDepartment of Electrical and Computer Systems Engineering
Department of Electrical and Computer Systems Engineering Technical Report MECSE-5-2005 SIMULINK Models for Advanced Optical Communications: Part IV- DQPSK Modulation Format L.N. Binh and B. Laville SIMULINK
More informationSingle channel and WDM transmission of 28 Gbaud zero-guard-interval CO-OFDM
Single channel and WDM transmission of 28 Gbaud zero-guard-interval CO-OFDM Qunbi Zhuge, * Mohamed Morsy-Osman, Mohammad E. Mousa-Pasandi, Xian Xu, Mathieu Chagnon, Ziad A. El-Sahn, Chen Chen, and David
More informationAdvances in Widely Tunable Lasers Richard Schatz Laboratory of Photonics Royal Institute of Technology
Advances in Widely Tunable Lasers Richard Schatz Laboratory of Photonics Royal Institute of Technology Tunability of common semiconductor lasers Widely tunable laser types Syntune MGY laser: tuning principle
More informationEffects of Polarization Tracker on 80 and 112 Gb/s PDM-DQPSK with Spectral Amplitude Code Labels
, July 5-7, 2017, London, U.K. Effects of Polarization Tracker on 80 and 112 Gb/s PDM-DQPSK with Spectral Amplitude Code Labels Aboagye Adjaye Isaac, Fushen Chen, Yongsheng Cao, Deynu Faith Kwaku Abstract
More informationElectro-Optic Crosstalk in Parallel Silicon Photonic Mach-Zehnder Modulators
> REPLACE THIS LINE WITH YOUR PAPER IDENTIFICATION NUMBER (DOUBLE-CLICK HERE TO EDIT) < 1 Electro-Optic Crosstalk in Parallel Silicon Photonic Mach-Zehnder Modulators Lingjun Jiang, Xi Chen, Kwangwoong
More informationSpectrally Compact Optical Subcarrier Multiplexing with 42.6 Gbit/s AM-PSK Payload and 2.5Gbit/s NRZ Labels
Spectrally Compact Optical Subcarrier Multiplexing with 42.6 Gbit/s AM-PSK Payload and 2.5Gbit/s NRZ Labels A.K. Mishra (1), A.D. Ellis (1), D. Cotter (1),F. Smyth (2), E. Connolly (2), L.P. Barry (2)
More informationSHF Communication Technologies AG
SHF Communication Technologies AG Wilhelm-von-Siemens-Str. 23D 12277 Berlin Germany Phone ++49 30 / 772 05 10 Fax ++49 30 / 753 10 78 E-Mail: sales@shf.de Web: http://www.shf.de Datasheet SHF 46215 B Optical
More informationA 3.9 ns 8.9 mw 4 4 Silicon Photonic Switch Hybrid-Integrated with CMOS Driver
A 3.9 ns 8.9 mw 4 4 Silicon Photonic Switch Hybrid-Integrated with CMOS Driver A. Rylyakov, C. Schow, B. Lee, W. Green, J. Van Campenhout, M. Yang, F. Doany, S. Assefa, C. Jahnes, J. Kash, Y. Vlasov IBM
More informationLow-Driving-Voltage Silicon DP-IQ Modulator
Low-Driving-Voltage Silicon DP-IQ Modulator Kazuhiro Goi, 1 Norihiro Ishikura, 1 Haike Zhu, 1 Kensuke Ogawa, 1 Yuki Yoshida, 2 Ken-ichi Kitayama, 2, 3 Tsung-Yang Liow, 4 Xiaoguang Tu, 4 Guo-Qiang Lo, 4
More informationSpectral-Efficient 100G Parallel PHY in Metro/regional Networks
Spectral-Efficient 100G Parallel PHY in Metro/regional Networks IEEE 802.3 HSSG January 2007 Winston I. Way wway@opvista.com OUTLINE Why spectral efficient DWDM for 100G? DWDM spectral efficiency advancement
More informationDr. Monir Hossen ECE, KUET
Dr. Monir Hossen ECE, KUET 1 Outlines of the Class Principles of WDM DWDM, CWDM, Bidirectional WDM Components of WDM AWG, filter Problems with WDM Four-wave mixing Stimulated Brillouin scattering WDM Network
More informationNew silicon photonics technology delivers faster data traffic in data centers
Edition May 2017 Silicon Photonics, Photonics New silicon photonics technology delivers faster data traffic in data centers New transceiver with 10x higher bandwidth than current transceivers. Today, the
More informationAll-Optical Signal Processing and Optical Regeneration
1/36 All-Optical Signal Processing and Optical Regeneration Govind P. Agrawal Institute of Optics University of Rochester Rochester, NY 14627 c 2007 G. P. Agrawal Outline Introduction Major Nonlinear Effects
More informationSilicon Photonics: A Platform for Integration, Wafer Level Assembly and Packaging
Silicon Photonics: A Platform for Integration, Wafer Level Assembly and Packaging M. Asghari Kotura Inc April 27 Contents: Who is Kotura Choice of waveguide technology Challenges and merits of Si photonics
More informationEmerging Subsea Networks
Optimization of Pulse Shaping Scheme and Multiplexing/Demultiplexing Configuration for Ultra-Dense WDM based on mqam Modulation Format Takanori Inoue, Yoshihisa Inada, Eduardo Mateo, Takaaki Ogata (NEC
More informationOptical Complex Spectrum Analyzer (OCSA)
Optical Complex Spectrum Analyzer (OCSA) First version 24/11/2005 Last Update 05/06/2013 Distribution in the UK & Ireland Characterisation, Measurement & Analysis Lambda Photometrics Limited Lambda House
More information60 Gbit/s 64 QAM-OFDM coherent optical transmission with a 5.3 GHz bandwidth
60 Gbit/s 64 QAM-OFDM coherent optical transmission with a 5.3 GHz bandwidth Tatsunori Omiya a), Seiji Okamoto, Keisuke Kasai, Masato Yoshida, and Masataka Nakazawa Research Institute of Electrical Communication,
More information11.1 Gbit/s Pluggable Small Form Factor DWDM Optical Transceiver Module
INFORMATION & COMMUNICATIONS 11.1 Gbit/s Pluggable Small Form Factor DWDM Transceiver Module Yoji SHIMADA*, Shingo INOUE, Shimako ANZAI, Hiroshi KAWAMURA, Shogo AMARI and Kenji OTOBE We have developed
More informationOptical IQ modulators for coherent 100G and beyond
for coherent 1G and beyond By GARY WANG Indium phosphide can overcome the limitations of LiNbO3, opening the door to the performance tomorrow s coherent transmission systems will require. T HE CONTINUED
More informationOptical 90 Hybrids Based on Silicon-on-Insulator. Multimode Interference Couplers
Optical 90 Hybrids Based on Silicon-on-Insulator Multimode Interference Couplers Tingting Hong, Wei Yang, Huaxiang Yi, Xingjun Wang *, Yanping Li *, Ziyu Wang, Zhiping Zhou State Key Laboratory of Advanced
More informationLecture 2 Fiber Optical Communication Lecture 2, Slide 1
Lecture 2 General concepts Digital modulation in general Optical modulation Direct modulation External modulation Modulation formats Differential detection Coherent detection Fiber Optical Communication
More informationPerformance Analysis of Dwdm System With Different Modulation Techique And Photodiode
The International Journal Of Engineering And Science (IJES) Volume 2 Issue 7 Pages 07-11 2013 ISSN(e): 2319 1813 ISSN(p): 2319 1805 Performance Analysis of Dwdm System With Different Modulation Techique
More informationMicrophotonics Readiness for Commercial CMOS Manufacturing. Marco Romagnoli
Microphotonics Readiness for Commercial CMOS Manufacturing Marco Romagnoli MicroPhotonics Consortium meeting MIT, Cambridge October 15 th, 2012 Passive optical structures based on SOI technology Building
More informationDepartment of Electrical and Computer Systems Engineering
Department of Electrical and Computer Systems Engineering Technical Report MECSE-4-2005 DWDM Optically Amplified Transmission Systems - SIMULINK Models and Test-Bed: Part III DPSK L.N. Binh and Y.L.Cheung
More informationfrom ocean to cloud WELCOME TO 400GB/S & 1TB/S ERA FOR HIGH SPECTRAL EFFICIENCY UNDERSEA SYSTEMS
WELCOME TO 400GB/S & 1TB/S ERA FOR HIGH SPECTRAL EFFICIENCY UNDERSEA SYSTEMS G. Charlet, O. Bertran-Pardo, M. Salsi, J. Renaudier, P. Tran, H. Mardoyan, P. Brindel, A. Ghazisaeidi, S. Bigo (Alcatel-Lucent
More informationDigital Coherent Transmission: A Paradigm Shift of Optical Transmission Technology
conference & convention enabling the next generation of networks & services Digital Coherent Transmission: A Paradigm Shift of Optical Transmission Technology Shoichiro Oda, Toshiki Tanaka, and Takeshi
More informationsynqpsk Univ. Paderborn, Germany; CeLight Israel; Photline, France; IPAG, Germany
1 Components for Synchronous Optical Quadrature Phase Shift Keying Transmission Contract 004631 in FP6 IST-2002-2.3.2.2 Optical, opto-electronic, & photonic functional components synqpsk Univ. Paderborn,
More informationAn Example Design using the Analog Photonics Component Library. 3/21/2017 Benjamin Moss
An Example Design using the Analog Photonics Component Library 3/21/2017 Benjamin Moss Component Library Elements Passive Library Elements: Component Current specs 1 Edge Couplers (Si)
More informationProject: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Title: Feasibility test of THz channel for high-speed wireless link Date Submitted: 12 Nov 2013 Source: Jae-Young Kim, Ho-Jin
More informationAll-VCSEL based digital coherent detection link for multi Gbit/s WDM passive optical networks
All-VCSEL based digital coherent detection link for multi Gbit/s WDM passive optical networks Roberto Rodes, 1,* Jesper Bevensee Jensen, 1 Darko Zibar, 1 Christian Neumeyr, 2 Enno Roenneberg, 2 Juergen
More informationWWDM Transceiver Module for 10-Gb/s Ethernet
WWDM Transceiver Module for 10-Gb/s Ethernet Brian E. Lemoff Hewlett-Packard Laboratories lemoff@hpl.hp.com IEEE 802.3 HSSG Interim Meeting Coeur d Alene, Idaho June 1-3, 1999 Why pursue WWDM for the LAN?
More informationSingle- versus Dual-Carrier Transmission for Installed Submarine Cable Upgrades
Single- versus Dual-Carrier Transmission for Installed Submarine Cable Upgrades L. Molle, M. Nölle, C. Schubert (Fraunhofer Institute for Telecommunications, HHI) W. Wong, S. Webb, J. Schwartz (Xtera Communications)
More informationIBM T. J. Watson Research Center IBM Corporation
Broadband Silicon Photonic Switch Integrated with CMOS Drive Electronics B. G. Lee, J. Van Campenhout, A. V. Rylyakov, C. L. Schow, W. M. J. Green, S. Assefa, M. Yang, F. E. Doany, C. V. Jahnes, R. A.
More informationA WDM passive optical network enabling multicasting with color-free ONUs
A WDM passive optical network enabling multicasting with color-free ONUs Yue Tian, Qingjiang Chang, and Yikai Su * State Key Laboratory of Advanced Optical Communication Systems and Networks, Department
More informationOptical Measurements in 100 and 400 Gb/s Networks: Will Coherent Receivers Take Over? Fred Heismann
Optical Measurements in 100 and 400 Gb/s Networks: Will Coherent Receivers Take Over? Fred Heismann Chief Scientist Fiberoptic Test & Measurement Key Trends in DWDM and Impact on Test & Measurement Complex
More informationSHF Communication Technologies AG
SHF Communication Technologies AG Wilhelm-von-Siemens-Str. 23 Aufgang D 12277 Berlin Marienfelde Germany Phone ++49 30 / 772 05 10 Fax ++49 30 / 753 10 78 E-Mail: sales@shf.biz Web: http://www.shf.biz
More informationSCIENCE CHINA Technological Sciences. A flexible multi-16qam transmitter based on cascaded dual-parallel Mach-Zehnder modulator and phase modulator
SCIENCE CHINA Technological Sciences RESEARCH PAPER March 2013 Vol.56 No.3: 598 602 doi: 10.1007/s11431-012-5115-z A flexible multi-16qam transmitter based on cascaded dual-parallel Mach-Zehnder modulator
More informationRoss Saunders GM, Next-gen Transport Opnext Subsystems Inc. 100G Cost/Performance Optimization
Ross Saunders GM, Next-gen Transport Opnext Subsystems Inc. 100G Cost/Performance Optimization Contents Historical vs Future Optical Transport Challenges What we did at 40G lessons learned Electronic and
More informationWDM in backbone. Péter Barta Alcatel-Lucent
WDM in backbone Péter Barta Alcatel-Lucent 10. October 2012 AGENDA 1. ROADM solutions 2. 40G, 100G, 400G 2 1. ROADM solutions 3 Ch 1-8 Ch 9-16 Ch 25-32 Ch 17-24 ROADM solutions What to achieve? Typical
More informationOpto-VLSI-based reconfigurable photonic RF filter
Research Online ECU Publications 29 Opto-VLSI-based reconfigurable photonic RF filter Feng Xiao Mingya Shen Budi Juswardy Kamal Alameh This article was originally published as: Xiao, F., Shen, M., Juswardy,
More informationSIMULATIVE INVESTIGATION OF SINGLE-TONE ROF SYSTEM USING VARIOUS DUOBINARY MODULATION FORMATS
SIMULATIVE INVESTIGATION OF SINGLE-TONE ROF SYSTEM USING VARIOUS DUOBINARY MODULATION FORMATS Namita Kathpal 1 and Amit Kumar Garg 2 1,2 Department of Electronics & Communication Engineering, Deenbandhu
More informationCompact two-mode (de)multiplexer based on symmetric Y-junction and Multimode interference waveguides
Compact two-mode (de)multiplexer based on symmetric Y-junction and Multimode interference waveguides Yaming Li, Chong Li, Chuanbo Li, Buwen Cheng, * and Chunlai Xue State Key Laboratory on Integrated Optoelectronics,
More informationS-band gain-clamped grating-based erbiumdoped fiber amplifier by forward optical feedback technique
S-band gain-clamped grating-based erbiumdoped fiber amplifier by forward optical feedback technique Chien-Hung Yeh 1, *, Ming-Ching Lin 3, Ting-Tsan Huang 2, Kuei-Chu Hsu 2 Cheng-Hao Ko 2, and Sien Chi
More informationOptical Networks emerging technologies and architectures
Optical Networks emerging technologies and architectures Faculty of Computer Science, Electronics and Telecommunications Department of Telecommunications Artur Lasoń 100 Gb/s PM-QPSK (DP-QPSK) module Hot
More informationInvestigation of a novel structure for 6PolSK-QPSK modulation
Li et al. EURASIP Journal on Wireless Communications and Networking (2017) 2017:66 DOI 10.1186/s13638-017-0860-0 RESEARCH Investigation of a novel structure for 6PolSK-QPSK modulation Yupeng Li 1,2*, Ming
More informationHeinrich-Hertz-Institut Berlin
NOVEMBER 24-26, ECOLE POLYTECHNIQUE, PALAISEAU OPTICAL COUPLING OF SOI WAVEGUIDES AND III-V PHOTODETECTORS Ludwig Moerl Heinrich-Hertz-Institut Berlin Photonic Components Dept. Institute for Telecommunications,,
More information- no emitters/amplifiers available. - complex process - no CMOS-compatible
Advantages of photonic integrated circuits (PICs) in Microwave Photonics (MWP): compactness low-power consumption, stability flexibility possibility of aggregating optics and electronics functionalities
More informationNovel coherent self-heterodyne receiver based on phase modulation detection
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Faculty Publications in Computer & Electronics Engineering (to 205) Electrical & Computer Engineering, Department of 202
More informationSilicon photonics on 3 and 12 μm thick SOI for optical interconnects Timo Aalto VTT Technical Research Centre of Finland
Silicon photonics on 3 and 12 μm thick SOI for optical interconnects Timo Aalto VTT Technical Research Centre of Finland 5th International Symposium for Optical Interconnect in Data Centres in ECOC, Gothenburg,
More informationPerformance Analysis of Chromatic Dispersion Compensation of a Chirped Fiber Grating on a Differential Phase-shift-keyed Transmission
Journal of the Optical Society of Korea Vol. 13, No. 1, March 2009, pp. 107-111 DOI: 10.3807/JOSK.2009.13.1.107 Performance Analysis of Chromatic Dispersion Compensation of a Chirped Fiber Grating on a
More informationIST IP NOBEL "Next generation Optical network for Broadband European Leadership"
DBR Tunable Lasers A variation of the DFB laser is the distributed Bragg reflector (DBR) laser. It operates in a similar manner except that the grating, instead of being etched into the gain medium, is
More informationConvergence Challenges of Photonics with Electronics
Convergence Challenges of Photonics with Electronics Edward Palen, Ph.D., P.E. PalenSolutions - Optoelectronic Packaging Consulting www.palensolutions.com palensolutions@earthlink.net 415-850-8166 October
More informationOptical Fibers p. 1 Basic Concepts p. 1 Step-Index Fibers p. 2 Graded-Index Fibers p. 4 Design and Fabrication p. 6 Silica Fibers p.
Preface p. xiii Optical Fibers p. 1 Basic Concepts p. 1 Step-Index Fibers p. 2 Graded-Index Fibers p. 4 Design and Fabrication p. 6 Silica Fibers p. 6 Plastic Optical Fibers p. 9 Microstructure Optical
More informationOptical Transmission Fundamentals
Optical Transmission Fundamentals F. Vasey, CERN-EP-ESE Context Technology HEP Specifics 12 Nov 2018 0 Context: Bandwidth Demand Internet traffic is growing at ~Moore s law Global interconnection bandwidth
More informationIntegrated Circuits for Wavelength Division De-multiplexing in the Electrical Domain
Integrated Circuits for Wavelength Division De-multiplexing in the Electrical Domain 1 H.C. Park, 1 M. Piels, 2 E. Bloch, 1 M. Lu, 1 A. Sivanathan, 3 Z. Griffith, 1 L. Johansson, 1 J. Bowers, 1 L. Coldren,
More informationA NOVEL SCHEME FOR OPTICAL MILLIMETER WAVE GENERATION USING MZM
A NOVEL SCHEME FOR OPTICAL MILLIMETER WAVE GENERATION USING MZM Poomari S. and Arvind Chakrapani Department of Electronics and Communication Engineering, Karpagam College of Engineering, Coimbatore, Tamil
More informationFibers for Next Generation High Spectral Efficiency
Fibers for Next Generation High Spectral Efficiency Undersea Cable Systems Neal S. Bergano and Alexei Pilipetskii Tyco Electronics Subsea Communications Presenter Profile Alexei Pilipetskii received his
More informationOptical Fiber Technology
Optical Fiber Technology 18 (2012) 29 33 Contents lists available at SciVerse ScienceDirect Optical Fiber Technology www.elsevier.com/locate/yofte A novel WDM passive optical network architecture supporting
More informationProposal of A Star-16QAM System Based on Intersymbol Interference (ISI) Suppression and Coherent Detection
Proposal of A Star-16QAM System Based on Intersymbol Interference (ISI) Suppression and Coherent Detection Liang Zhang, Xiaofeng Hu, Tao Wang, Qi Liu, Yikai Su State Key Lab of Advanced Optical Communication
More informationProperty improvement of flat-top 50 GHz-88 ch arrayed waveguide grating using phase correction waveguides
Property improvement of flat-top 50 GHz-88 ch arrayed waveguide grating using phase correction waveguides Kazutaka Nara 1a) and Noritaka Matsubara 2 1 FITEL Photonics Laboratory, Furukawa Electric Co.,
More informationTechnical Feasibility of 4x25 Gb/s PMD for 40km at 1310nm using SOAs
Technical Feasibility of 4x25 Gb/s PMD for 40km at 1310nm using SOAs Ramón Gutiérrez-Castrejón RGutierrezC@ii.unam.mx Tel. +52 55 5623 3600 x8824 Universidad Nacional Autonoma de Mexico Introduction A
More informationIntegrated TOSA with High-Speed EML Chips for up to 400 Gbit/s Communication
FEATURED TOPIC Integrated TOSA with High-Speed EML Chips for up to 4 Gbit/s Communication Ryota TERANISHI*, Hidetoshi NAITO, Masahiro HIRAYAMA, Masahiro HONDA, Shuichi KUBOTA, and Takayuki MIYAHARA ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
More informationNOW WITH UP TO 40 GHz BANDWIDTH
NOW WITH UP TO 40 GHz BANDWIDTH IQTransmitter Industry Leading High Bandwidth of 40 GHz Full & Emulated Dual-Polarization IQTransmitter Your choice of 40 GHz, 26 GHz or 11 GHz of bandwidth Pattern independent
More informationMulti-format all-optical-3r-regeneration technology
Multi-format all-optical-3r-regeneration technology Masatoshi Kagawa Hitoshi Murai Amount of information flowing through the Internet is growing by about 40% per year. In Japan, the monthly average has
More informationPHASE MODULATION FOR THE TRANSMISSION OF NX40GBIT/S DATA OVER TRANSOCEANIC DISTANCES
- -2-3 -4-5 -6 54.5 54.6 54.7 54.8 54.9 542 - -2-3 -4-5 -6 54.5 54.6 54.7 54.8 54.9 542 - -2-3 -4-5 -6 54.5 54.6 54.7 54.8 54.9 542 PHASE MODULATION FOR THE TRANSMISSION OF NX4GBIT/S DATA OVER TRANSOCEANIC
More informationPerformance Analysis Of Hybrid Optical OFDM System With High Order Dispersion Compensation
Performance Analysis Of Hybrid Optical OFDM System With High Order Dispersion Compensation Manpreet Singh Student, University College of Engineering, Punjabi University, Patiala, India. Abstract Orthogonal
More informationPresentation Overview
Low-cost WDM Transceiver Technology for 10-Gigabit Ethernet and Beyond Brian E. Lemoff, Lisa A. Buckman, Andrew J. Schmit, and David W. Dolfi Agilent Laboratories Hot Interconnects 2000 Stanford, CA August
More informationUNREPEATERED SYSTEMS: STATE OF THE ART
UNREPEATERED SYSTEMS: STATE OF THE ART Hans Bissessur, Isabelle Brylski, Dominique Mongardien (Alcatel-Lucent Submarine Networks), Philippe Bousselet (Alcatel-Lucent Bell Labs) Email: < hans.bissessur@alcatel-lucent.com
More informationPassive Fibre Components
SMR 1829-16 Winter College on Fibre Optics, Fibre Lasers and Sensors 12-23 February 2007 Passive Fibre Components (PART 2) Walter Margulis Acreo, Stockholm Sweden Passive Fibre Components W. Margulis walter.margulis@acreo.se
More informationKey Features for OptiSystem 12
12 New Features Created to address the needs of research scientists, optical telecom engineers, professors and students, OptiSystem satisfies the demand of users who are searching for a powerful yet easy
More informationA Technique to improve the Spectral efficiency by Phase shift keying modulation technique at 40 Gb/s in DWDM optical systems.
A Technique to improve the Spectral efficiency by Phase shift keying modulation technique at 40 Gb/s in DWDM optical systems. A.V Ramprasad and M.Meenakshi Reserach scholar and Assistant professor, Department
More informationOptical Technologies for Next-Generation Metro DWDM Applications
CISCO TECHNOLOGY MARKETING Optical Technologies for Next-Generation Metro DWDM Applications 1 Abstract Over the course of the past few years the characteristics of Metropolitan DWDM networks have evolved
More informationNext Generation Optical Communication Systems
Next-Generation Optical Communication Systems Photonics Laboratory Department of Microtechnology and Nanoscience (MC2) Chalmers University of Technology May 10, 2010 SSF project mid-term presentation Outline
More informationNEXT GENERATION SILICON PHOTONICS FOR COMPUTING AND COMMUNICATION PHILIPPE ABSIL
NEXT GENERATION SILICON PHOTONICS FOR COMPUTING AND COMMUNICATION PHILIPPE ABSIL OUTLINE Introduction Platform Overview Device Library Overview What s Next? Conclusion OUTLINE Introduction Platform Overview
More informationPhotonic Integrated Circuits for 400 Gigabit and 1 Terabit Coherent Transport
Photonic Integrated Circuits for 400 Gigabit and 1 Terabit Coherent Transport September 25, 2013 OUTLINE Overview of Optical Transport Market Evolution of Coherent Optical Module PICs for Line-Side 400G
More information120-Gb/s NRZ-DQPSK signal generation by a thin-lithiumniobate-substrate
120-Gb/s NRZ-DQPSK signal generation by a thin-lithiumniobate-substrate modulator Atsushi Kanno 1a), Takahide Sakamoto 1,AkitoChiba 1, Tetsuya Kawanishi 1, Kaoru Higuma 2, Masaaki Sudou 2, and Junichiro
More informationEmerging Subsea Networks
EVALUATION OF NONLINEAR IMPAIRMENT FROM NARROW- BAND UNPOLARIZED IDLERS IN COHERENT TRANSMISSION ON DISPERSION-MANAGED SUBMARINE CABLE SYSTEMS Masashi Binkai, Keisuke Matsuda, Tsuyoshi Yoshida, Naoki Suzuki,
More informationFrequency Noise Reduction of Integrated Laser Source with On-Chip Optical Feedback
MITSUBISHI ELECTRIC RESEARCH LABORATORIES http://www.merl.com Frequency Noise Reduction of Integrated Laser Source with On-Chip Optical Feedback Song, B.; Kojima, K.; Pina, S.; Koike-Akino, T.; Wang, B.;
More informationHigh bit-rate combined FSK/IM modulated optical signal generation by using GCSR tunable laser sources
High bit-rate combined FSK/IM modulated optical signal generation by using GCSR tunable laser sources J. J. Vegas Olmos, I. Tafur Monroy, A. M. J. Koonen COBRA Research Institute, Eindhoven University
More informationInnovations in Photonic Integration Platforms
Innovations in Photonic Integration Platforms September 20, 20 Burgeoning Growth Demand Disruptive Technology Video content is fast becoming a larger percentage of total internet traffic 50% Video services
More informationHybrid Integration Technology of Silicon Optical Waveguide and Electronic Circuit
Hybrid Integration Technology of Silicon Optical Waveguide and Electronic Circuit Daisuke Shimura Kyoko Kotani Hiroyuki Takahashi Hideaki Okayama Hiroki Yaegashi Due to the proliferation of broadband services
More information35 years of widely-tunable
September 14, 2016 35 years of widely-tunable single-chip lasers: a pathway to active PICs Larry A. Coldren Fred Kavli Professor of Optoelectronics and Sensors ECE and Materials Departments UCSB Outline
More informationChapter 10 WDM concepts and components
Chapter 10 WDM concepts and components - Outline 10.1 Operational principle of WDM 10. Passive Components - The x Fiber Coupler - Scattering Matrix Representation - The x Waveguide Coupler - Mach-Zehnder
More informationAnalogical chromatic dispersion compensation
Chapter 2 Analogical chromatic dispersion compensation 2.1. Introduction In the last chapter the most important techniques to compensate chromatic dispersion have been shown. Optical techniques are able
More informationAnalytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise
Analytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise Tianhua Xu 1,*,Gunnar Jacobsen 2,3,Sergei Popov 2, Tiegen Liu 4, Yimo Zhang 4, and Polina
More informationHigh-Speed Directly Modulated Lasers
High-Speed Directly Modulated Lasers Tsuyoshi Yamamoto Fujitsu Laboratories Ltd. Some parts of the results in this presentation belong to Next-generation High-efficiency Network Device Project, which Photonics
More informationNetwork Challenges for Coherent Systems. Mike Harrop Technical Sales Engineering, EXFO
Network Challenges for Coherent Systems Mike Harrop Technical Sales Engineering, EXFO Agenda 1. 100G Transmission Technology 2. Non Linear effects 3. RAMAN Amplification 1. Optimsing gain 2. Keeping It
More information