Symposium Program
1st December (Thursday)
Welcome Address (10:00-10:05)
Session A: Opening (10:05-11:45)
10:05

10:25

11:05

Tatsuo Saitoh (PETRA)

Session Chair: Hideki Yagi (PETRA)
A-1 (Keynote)
Progress in Photonic Electronic Convergence Technologies through National Projects in Japan
Nobuhiko Nishiyama (Tokyo Institute of Technology, PETRA)
A-2 (Plenary)High capacity data transmission using mode locked laser comb source and arrays of ring
modulators
John E. Bowers (UCSB)
A-3 (Plenary)
Opto-electric hybrid switch system for high-speed and low-power consuming data transmission
system
Kenya Suzuki (NTT, PETRA)

11:45-13:30 Lunch break
Session B: Optical Modulators (13:30-15:00)
13:30

14:05

14:40

Session Chair: Satoshi Iwamoto (The University of Tokyo)
B-1 (Invited)High Baud Rate Coherent and Direct Detection Based Optical Fiber Transmission Systems andTheir Enabling Technologies
David Plant (McGill University)
B-2 (Invited)
Silicon integrated photonics for high-bandwidth and energy-efficient optical computeinterconnect
Haisheng Rong (Intel)
B-3
III-V/Si photonic integrated devices using direct bonding technology
Hideki Yagi (PETRA)

15:00-15:20 BreakSession C: Optical Transceivers (15:20-16:50)
15:20

15:55

16:30

Session Chair: Takuo Tanemura (The University of Tokyo)
C-1 (Invited)
Electronic and photonic IC co-design for high-speed optical transceivers
Johan Bauwelinck (Ghent University, IMEC)
C-2 (Invited)
VCSEL Photonics for CPO Transceivers Toward Beyond 5G Networks
Fumio Koyama (Tokyo Institute of Technology)
C-3
Novel optical frontend architecture for energy-efficient coherent transceivers
Shinsuke Tanaka (PETRA)

Poster Session (17:00-18:30)------------------------------------------------------------------------------------4

2nd December (Friday)
Session D: Silicon Nanophotonics Devices & Systems (10:30-12:30)
10:30

10:50

11:10

11:30

11:50

12:10

Session Chair: Makoto Okano (AIST)

D-1
Resonant-Characteristics-Monitorable Si Wavelength Filter Using Face-To-Face Loop Mirrors
for III-V/Si Hybrid Platform
Kunimasa Saitoh (Hokkaido University)
D-2
Si hybrid integration using ultrathin III-V membrane for photodetection
Mitsuru Takenaka (The University of Tokyo)
D-3
Development of 1.5-mm InAs Quantum Dots on InP Substrate towards On-Chip Light Sources
and Design of Photonic Nanostructured Waveguide for Dispersion Compensation
Satoshi Iwamoto (The University of Tokyo)
D-4
Microresonator frequency combs for ultra-low latency optical communication
Takasumi Tanabe (Keio University)
D-5
Low-loss Integrated optical isolator on Silicon photonics platformYuya Shoji (Tokyo Institute of Technology)
D-6
Photonic Integrated Self-Coherent Transceivers for Beyond-Tbps Short-Reach Links
Takuo Tanemura (The University of Tokyo)

12:30-14:00 Lunch break
Session E: Optical Network and Computing (14:00-15:30)
14:00

14:35

14:55

Session Chair: Shinsuke Tanaka (PETRA)

E-1 (Invited)
Tsurugi ~Japan National Project for next generation RDB
Takashi Kambayashi (Nautilus technologies co. ltd.)
E-2
Functional Block-based Disaggregation Model for Automating the Optical Layer
Kiyo Ishii (AIST)
E-3 (Invited)
Opportunities and challenges for optical switching in the datacenter
Paraskevas Bakopoulos (NVIDIA)

Closing Address (15:30-15:40)------------------------------------------------------------------------------------5

Shu Namiki (AIST)Poster session (Thursday)
P-01
Design of the III-V MOS optical modulator with doped graphene electrode for efficient, high-speed phasemodulation
T. Piyapatarakul1, H. Tang1, K. Toprasertpong1, S. Takagi1, and M. Takenaka1(1 The University of Tokyo)
P-02
Optimization of Compact and Low-loss 2×2 Si Optical Coupler based on CMA-ES
Y. Miyatake1, K. Toprasertpong1, S. Takagi1, and M. Takenaka1(1 The University of Tokyo)
P-03
Numerical Analysis of unidirectional lasing in a semiconductor ring resonator
Z. Dai1, W. Lin2 and S. Iwmaoto1,3(1 Research Center for Advanced Science and Technology, University of Tokyo, 2 Komaba Institute for Science(KIS), The University of Tokyo, 3 Institute of Industrial Science, University of Tokyo)
P-04
Sub-bandgap photodetection at mid-infrared wavelengths using Ge Micro-ring resonator on Ge-on-insulator
platform
C. Zhang1, Z. Zhao1, K. Toprasertpong1, S. Takagi1, and M. Takenaka1(1 The University of Tokyo)
P-05
Two-layer integrated photonic architectures for matrix-vector and matrix-matrix multiplications
R. Tang1, M. Okano2, K. Toprasertpong1, S. Takagi1, and M. Takenaka1(1 Department of Electrical Engineering and Information Systems, The University of Tokyo, 2 National Institute ofAdvanced Industrial Science and Technology (AIST))
P-06
Si Photonics-Based Wavelength Locker Utilizing Thermal Synchronization with Laser Chip
J. Suzuki1, K. Hasegawa2, K. Masuyama1, N. Ohata1, and H. Aruga1(1 Information Technology R & D Center, Mitsubishi Electric Corporation, 2 High Frequency & Optical Device
Works, Mitsubishi Electric Corporation)
P-07
Grating couplers for ion trap quantum computers
M. Shirao1, D. Klawson1, S. Mouradian2, and M. C. Wu1(1 Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, 2 Department
Electrical and Computer Engineering, University of Washington)
P-08
Temperature-Insensitive pulse and 120℃ CW Operation of 1550nm-Band p-doped InAs/InGaAlAs Quantum
Dot Lasers on InP(311)B Substrate
R. Yabuki1, A. Matsumoto2, R. Katsuhara1, S. Heinsalu1, K. Akahane2, Y. Matsushima1, H. Ishikawa1, and K. Utaka1(1 Faculty of Science and Engineering, Waseda University, 2 National Institute of Information and Communications
Technology (NICT))
P-09
Wafer-level Testing Technology for Hybrid III-V/SOI Integration
T. Horikawa1 and N. Nishiyama1,2(1 Tokyo Institute of Technology, 2 Photonics Electronics Technology Research Association (PETRA))
P-10
Saturable Absorber Embedded Microcavity for a Perfect Soliton Crystal
A. Nakashima1, S. Fujii1, R. Imamura1, and T. Tanabe1------------------------------------------------------------------------------------6

(Faculty of Science and Technology, Keio University)
P-11
Layer structure dependence for controlling active layer optical confinement factor of direct bonding
GaInAsP/SOI optical devices
R. Sasaki1, T. Katsuyama1, Y. Ohiso1, T. Kikuchi1, M. Eissa1, T. Amemiya1,2, and N. Nishiyama1,2,3(1 Dep. of Electrical and Electronic Engineering, 2 Institute of Innovative Research, Tokyo Institute of Technology,
3 PETRA)
P-12
Low phase noise THz generation from a Kerr microresonator soliton comb
N. Kuse1,2, K. Nishimoto3, Y. Tokizane1, S. Okada3, G. Navickaite4, M. Geiselmann4, K. Minoshima1,5, and T.
Yasui1(1 Institute of Post-LED Photonics, Tokushima University, 2 PRESTO, Japan Science and Technology Agency, 3Graduate School of Sciences and Technology for Innovation, Tokushima University, 4 LIGENTEC, 5 Graduate
School of Informatics and Engineering, The University of Electro-Communications)P-13
Fabrication of high-Q Ta2O5 microresonator
H. Kitora1, M. Funakoshi2, K. Nishimoto1, T. Yasui3, K. Minoshima3,4, and N. Kuse3(1 Graduate School of Sciences and Technology for Innovation, Tokushima University, 2 Faculty of Science andTechnology, Tokushima University, 3 Institute of Post-LED Photonics, Tokushima University, 4 Graduate School ofInformatics and Engineering, The University of Electro-Communications)P-14
Silicon Based All-Optical Micro-Ring Resonator Thermo-Optic Switch
Z. Liang1 and Y. Shoji1,2(1 Department of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology, 2Laboratory for Future Interdisciplinary Research of Science and Technology, Tokyo Institute of Technology)
P-15
OMA Penalty and Frequency Chirp in Mach–Zehnder Silicon Optical Modulators with Inter-Arm Imbalance
T. Murao1, J. Ushida1, H. Takahashi1, M. Tokushima1, A. Shiina1, and T. Horikawa1(1 Photonics Electronics Technology Research Association (PETRA))
P-16
Design of S+C+L band Tapered Asymmetric Directional Coupler for Broadband Polarization SplitterRotator
S. Ochiai1, T. Fujisawa, K. Nakamura, Y. Sawada, T. Sato, and K. Saitoh(1 Graduate School of Information Science and Technology, Hokkaido University)
P-17
Investigation of Fabrication Tolerance for III-V/Si Connecting Structures Based on Symmetric andAsymmetric Tapered Waveguides
K. Uchida1, T. Sato1, T. Fujisawa1, T. Mitarai2, T. Hiratani2, T. Okimoto2, T. Ishikawa2, N. Kono2, N. Fujiwara2, H.
Yagi2, and K. Saitoh2(1 Graduate School of Information Science and Technology, Hokkaido University, 2 Photonics Electronics
Technology Research Association (PETRA))
P-18
Performance evaluation of optical Nyquist filter for energy efficient coherent transceiverJ. Matsui1,2, T. Akiyama1,2, G. Huang2, H. Nakashima2, S. Tanaka1,2, and T. Hoshida2(1 Photonics Electronics Technology Research Association (PETRA), 2 Fujitsu Limited.)
P-19
Compact Phased Array Type Wavelength-selective Switch Based on Silicon Photonics
Y. Ni1, Y. Shoji1,2(1 Department of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology, 2------------------------------------------------------------------------------------7

Laboratory for Future Interdisciplinary Research of Science and Technology, Tokyo Institute of Technology)
P-20
Characteristics of SiON waveguides at various refractive indices
K. Yamaguchi1, M. Eissa1, Y. Oiso2, T. Amemiya1,2 and N. Nishiyama1,2,3(1 School of Engineering, 2 Institute of Innovative Research (IIR), Tokyo Institute of Technology, 3 Photonic
Electronics Technology Research Association (PETRA))
P-21
Field demonstration of low-latency optical transmission with soliton microcombs
K. Tanikawa1, S. Fujii2, S. Tanaka1, S. Tasaka1, K. Wada1, S. Kogure1, H. Kumazaki1, S. Kawanishi1, and T. Tanabe1(1 Department of Electronics and Electrical Engineering, Faculty of Science and Technology, Keio University, 2
Department of Physics, Faculty of Science and Technology, Keio University)
P-22
Impedance and mode matching for high-efficient Si/SiN waveguides coupling
R. Sugano1, R. Nishihata1, and Takasumi Tanabe1(1 Department of Electronics and Electronics Engineering, Faculty of Science and Technology, Keio University)
P-23
Design and Characterization of Multi-Wavelength Coherent Receiver Circuit
S. Maeda1, T. Fukui1, G. Soma1, T. Tanemura1, and Y. Nakano1(1 School of Engineering, The University of Tokyo)
P-24
Experimental measurement of Raman comb stability and mutual coherence insilica rod microresonator
S. Sugawara1, S. Fujii1, H. Kumazaki1, and T. Tanabe1(1 Faculty of Science and Technology, Keio University)
P-25
Effect of detuning on RF beat note in modulation instability comb
S. Kogure1, S. Fujii1,2, H. Kumazaki1, S. Sota1, and T. Tanabe1(1 Department of Electronics and Electrical Engineering, Faculty of Science and Technology, Keio University, 2
Department of Physics, Faculty of Science and Technology, Keio University)
P-26
Low-capacitance InGaAs/Si Waveguide Photodetector for Energy-efficient Receiver System
T. Akazawa1, D. Wu1, K. Sumita1, N. Sekine1, M. Okano2, K. Toprasertpong1, S. Takagi1, and M. Takenaka1(1 The University of Tokyo, 2 National Institute of Advanced Industrial Science and Technology (AIST))
P-27
Ultra-low-power Optical DAC Operation (2pJ/bit) using 28-nm CMOS Driver and All-silicon Segmented
Modulator for Coherent Optical Transmitter
Y. Sobu1,2, T. Mori1,2, Y. Tsunoda1,2, T. Yamamoto1,2, and S. Tanaka1,2(1 Photonics Electronics Technology Research Association (PETRA), 2 Fujitsu Limited)
P-28
Low-thermal-resistance hybrid GaInAsP/SOI ridge-waveguide Fabry-Pérot lasers by enhanced heatdissipation
M. Eissa1, T. Kikuchi1, Y. Ohiso1, T. Amemiya1,2, and N. Nishiyama1,2,3(1 Dep. of Electrical and Electronic Engineering, Tokyo Institute of Technology, 2 Institute of Innovative Research,
Tokyo Institute of Technology, 3 PETRA)
P-29
Crosstalk-Free 32-ch Dense WDM Demultiplexer on Standard Si PIC Platform
T. Akiyama1,2, M. Nishizawa1,2, A. Sugama2, Y. Nakasha2, S. Tanaka1,2, Y. Tanaka2, and T. Hoshida2(1 Photonics Electronics Technology Research Association (PETRA), 2 Fujitsu Limited)------------------------------------------------------------------------------------8

P-30
High-Power CW Operation of 1.3 μm Wavelength InP-based Photonic-Crystal Surface-Emitting Lasers with
Double-Lattice Air Holes
M. Ogasawara1, Y. Itoh1,2, N. Kono1,2, K. Fujii1,2, H. Yoshinaga1, 2, N. Fujiwara1,2, R. Tanaka1, H. Yagi1, M.
Yanagisawa1, M. Yoshida2, T. Inoue2, M. D. Zoysa2, K. Ishizaki2, and S. Noda2(1 Transmission Devices Laboratory, Sumitomo Electric Industries, Ltd., 2 Department of Electronics Science andEngineering, Kyoto University)
P-31
Experimental Demonstration of Mosaic-based Ultra-small Power Splitters Designed by Bayesian Directbinary-search method
T. Mitarai1, T. Fujisawa2, T. Okimoto1, N. Kono1, N. Fujiwara1, Y. Sawada2, T. Muratsubaki2, T. Sato2, K. Saitoh2,and H. Yagi1(1 Transmission Devices Laboratory, Sumitomo Electric Industries, Ltd., 2 Grad. School of Info. Sci. Tech.,Hokkaido University)
P-32
All III-arsenide L-band InAs quantum dot lasers on InP(001)
J. Kwoen1, N. Morais1, W. Zhan1, S. Iwamoto2,3, and Y. Arakawa1(1 Institute for Nano Quantum Information Electronics, The University of Tokyo, 2 Research Center for Advanced
Science and Technology, University of Tokyo, 3 Institute of Industrial Science, University of Tokyo)------------------------------------------------------------------------------------9