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

10:25

11:05

Session Chair: Hideki Yagi (PETRA, SEI)
A-1 (Keynote)
Progress in Photonic Electronic Convergence Technologies through National Projects in Japan
Nobuhiko Nishiyama (Tokyo Institute of Technology, PETRA)
A-2 (Plenary)
3D Silicon Photonic Integrated Circuits
J. Bowers (UCSB)
A-3 (Plenary)
Expectations for Optical Technology from the Perspective of Computer Architecture
Hideharu Amano (Keio University)

11:45-13:40

Lunch break

Session B: Hybrid Integration (13:40-15:50)
13:40

14:15

14:50

15:10

15:30

Tatsuo Saitoh (PETRA)

Session Chair: Jinkwan Kwoen (The University of Tokyo)
B-1 (Invited)
Advantages and Challenges for Heterogeneous Integration of Active Optical Gain Elements ina Silicon Photonics Process in a Commercial Silicon Foundry
Edward Preisler (Tower Semiconductor)
B-2 (Invited)
CFB Solutions for High Performance Semiconductor Devices using Novel Bonding Technology
Hironori Furuta (Oki Electric Industry)
B-3
Photonic Integrated Devices using InP Chip/SOI Wafer Bonding Technique
Hideki Yagi, Naoki Fujiwara, Naoko Inoue, and Masaki Yanagisawa (PETRA, SEI)
B-4
Heterogeneous integration of III-V and phase change material for Si programmable photonic
integrated circuits
Mitsuru Takenaka (The University of Tokyo)
B-5
Mode-Evolution based Integrated Magneto-Optical Isolator
Yuya Shoji (Tokyo Institute of Technology)

15:50-16:00

Coffee Break

Poster Session (16:00-18:00) @Collaboration room
Reception (18:00-20:00) @Tsubame Terrace

2nd November (Thursday)
Session C: Computing Architecture and Middleware (10:30-11:45)
10:30

11:05

11:25

Session Chair: Shinsuke Tanaka (PETRA, Fujitsu)
C-1 (Invited)
Approximate Interconnection Networks for Parallel Processing
Michihiro Koibuchi (National Institute of Informatics)
C-2
Towards a High-Performance Database Management System in Ultra-Low-Latency Networks
Yuta Namiki (NEC)C-3
Utilizing Latch-Free Algorithms for Indexes in Ultra-Low Latency Networks
Yoshiharu Ishikawa (Nagoya University)

11:45-13:40

Lunch break

Session D: Optical Transceiver Architecture (13:40-15:50)
13:40

14:15

14:35

14:55

Session Chair: Mitsuru Takenaka (The University of Tokyo)
D-1 (Invited)
PIC-EIC Co-design for High-Speed Energy-Efficient Optical Interconnects
Azita Emami (California Institute of Technology)
D-2Investigation and initial demonstration of electrical-to-optical offloading techniques for energy
efficient coherent transceiver
Shinsuke Tanaka, Yohei Sobu, Tomoyuki Akiyama, Jun Matsui, Yutaro Enomoto (PETRA, Fujitsu)
D-3
Scalable Coherent Transceivers for Multi-Terabit Optical Links
Takuo Tanemura (The University of Tokyo)
D-4 (Invited)
Photonically-enabled ADCs with co-integrated neuromorphic signal processing
Andrea Zazzi (Aachen Univ. RWTH)

15:30-16:00

Coffee BreakSession E: Optical Computing and Networks (16:00-17:15)
16:00

16:20

16:40

E-1
Data architectures for real-time applications

Session Chair: Kento Sugiura (Nagoya University)

Hideyuki Kawashima (Keio University)

E-2
Functional Block-based Disaggregation and its QoT Estimation Prototype for Optical-layer
Platform
Kiyo Ishii (AIST)
E-3 (Invited)
Optical Computing for the Generative AI era
Hitesh Ballani (Microsoft Cambridge)

Closing Address (17:15-17:25)

Shu Namiki (AIST)Poster session (Wednesday).

P-01 Fabrication technology of a low-loss plasmonic waveguide for dense Si Photonics
V. Zayets (Platform Photonics Research Center (PPRC), National Institute of Advanced Industrial Science and Technology(AIST))
P-02 A Compact Optical Sub-Assembly of Laser chip and Si Photonics based One-Chip Wavelength Locker
J. Suzuki (Information Technology R & D Center, Mitsubishi Electric Corporation)
P-03 A Si Photonics-based Mach-Zehnder Modulator Array assembly using Flip Chip Bonding
T. Fujita (Information Technology R & D Center, Mitsubishi Electric Corporation)
P-04 Study on Self-holding Magneto-optical Switch Integrated on Silicon Photonics Platforms
J. Wang (Department of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology)
P-05 Demonstration of add-drop ring resonator switch using InGaAsP/Si hybrid MOS phase shifter
Y. Wakita (The University of Tokyo)
P-06 Bandwidth of Ge Photodiode in High Photocurrent Regime for Coherent Receiver
Y. Enomotoa,b (a Photonics Electronics Technology Research Association (PETRA), b Fujitsu Limited)
P-07 High-power CW operation of InP-based double-lattice photonic-crystal surface-emitting lasers with reflective
metal mirror
M. Ogasawara (Transmission Devices Laboratory, Sumitomo Electirc Industries, Ltd.)
P-08 Silicon-Based All-Optical Mach-Zehnder Interferometer Thermo-Optic Switch
Z. Liang (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology)
P-09 Coupling between Detuned Photonic Nanocavities by Frequency Modulation
R. Nagae (Department of Electronic Engineering, Kyoto University)
P-10 Compact Silicon Photonics -based Phased Array Wavelength -Selective Switch Using Micro Ring Resonators
Y. Ni (Department of Electrical and Electronic Engineering, School of Engineering, Tokyo Tech.)
P-11 Valley photonic crystal heterostructure based waveguide supporting slow-light modes with a large mode area
C. Zhanga,b (a Research Center of Advanced Science and Technology (RCAST), The University of Tokyo, b Institute of Industrial
Science (IIS), The University of Tokyo)
P-12 Evaluation of the impact of the doping optimization on the modulation bandwidth and the optical loss of the InP EO polymer hybrid optical modulator
H. Sakumoto (Dept. of Electrical Engineering and Information Systems, The Univ. of Tokyo)
P-13 Investigation of Performance of 2×2 Multimode Interference 3-dB Couplers in Silicon Waveguides Designed byWavefront Matching Method
K. Takanishi (Graduate School of Information Science and Technology, Hokkaido University)
P-14 Mosaic-Based Power Splitters with Asymmetric Splitting Ratios Designed on Triangular LatticeY. Sawadaa,b (a Transmission Devices Laboratory, Sumitomo Electric Industries, Ltd., b Photonics Electronics Technology
Research Association (PETRA))
P-15 Design and Demonstration of Optical-Frequency-Comb -Based Coherent Receiver Circuit
S. Maeda (School of Engineering, The University of Tokyo)
P-16 Numerical Analysis of Coherent Transmission Systems Employing III-V/Si Hybrid Transceiver PICs withSemiconductor Optical Amplifiers
T. Okimotoa,b,c (a School of Engineering, The University of Tokyo, b Transmission Devices Laboratory, Sumitomo ElectricIndustries, Ltd., c Photonics Electronics Technology Research Association (PETRA))
P-17 Improvement of Temperature Characteristics of 1550 nm-Band Quantum Dot Lasers by HR Coating
R. Yabuki (Faculty of Science and Engineering, Waseda University)
P-18 Stable CW operation of InP-based gain region/Si waveguide lasers by chip-on-wafer hydrophilic bonding processusing UV-ozone treatment
H. Fujikataa,b (a Photonics Electronics Technology Research Association (PETRA) b Transmission Devices Laboratory,-------------------------------------------------------------------------------

Sumitomo Electric Industries, Ltd.)
P-19 Short and High-Efficient Design of III-V/Si Connecting Structure Based on Tapered Asymmetric Directional
Coupler
K. Uchida (Graduate School of Information Science and Technology, Hokkaido University)
P-20 Highly reproducible extraction of propagation loss in silicon waveguides by using a wafer-level OFDR method
T. Horikawa (School of Engineering, Tokyo Institute of Technology)
P-21 A Proposal of Penalty -Free and DSP -Free Multilevel Nyquist Modulation and Subcarrier Multiplexing Scheme
Enabling Large Reduction of Power Consumption of Scalable Multicarrier Coherent Transmitter
J. Matsuia,b (a Photonics Electronics Technology Research Association (PETRA), b Fujitsu Limited.)P-22 Effect of position misalignment between hybrid and Si waveguide sections in GaInAsP/SOI hybrid lasers
R. Sasaki (Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology)
P-23 64Gbaud PAM4 Operation of All-Silicon Segmented Mach-Zehnder Modulator Integrated with Passive RC
Equalizer for Optical DAC Transmitter
Y. Sobua,b (a Photonics Electronics Technology Research Association (PETRA), b Fujitsu Limited.)P-24 Demonstration of low-loss optical power monitoring using waveguide-coupled InP/Si hybrid phototransistor
T. Akazawa (The University of Tokyo)
P-25 Demonstration of inference and training in deep learning using a symmetric silicon microring resonator crossbararray
R. Tang (Department of Electrical Engineering and Information Systems, The University of Tokyo)
P-26 Memory characteristics of FeFET-driven hybrid MOS optical phase shifter
M. Fujita (Dept. of Electrical Engineering and Information Systems, The University of Tokyo)
P-27 Photonic Matrix Multiplication with Ge2Sb2Te3S2 Intensity Modulators
Y. Miyatake (The University of Tokyo)
P-28 Design and Experiment of Silicon Racetrack -Loop Multi -Mode Waveguide Structure for Compact Reservoir
Computing Device
S. Heinsalu (Department of Electronic and Physical Systems, Waseda University)
P-29 Performance comparison of wafer- and chip-level measurements of silicon photonic integrated circuits
M. Eissa (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology)
P-30 Investigation of figure of merit setting in inverse design simulation for grating coupler with reduced back reflection
Y. Wang (Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology)
P-31 SiN/Si hybrid integration via inversed taper edge coupler
J. Kokubu (Department of Electronics and Electrical Engineering, Faculty of Science and Technology, Keio Univ)
P-32 Sudden broadening of the linewidth in a modulation instability comb
S. Kogure (Department of Electronics and Electrical Engineering, Faculty of Science and Technology, Keio University)
P-33 Ge avalanche photodiode integrated with microring resonator for 2 μm wavelengths on Ge-on-insulator platform
C. Zhang (The University of Tokyo)
P-34 Demonstration of edge transmission route switching using topological phase interference devices
S. Okada (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology)
P-35 Topological optimization of diffraction grating in SLG beam scannerK. Hirotani (Dept. of Electrical and Computer Eng., Yokohama Nat’l Univ.)
P-36 Modulation characteristics of microring modulators with self-heating
L. Li (Yokohama Nat’l Univ.)
P-37 Ambient Light Immunity of Si Photonics Full-Integrated FMCW LiDAR Chip — Theory and Probability ofMutual Interference —-------------------------------------------------------------------------------

M. Kamata (Yokohama Nat’l Univ)
P-38 Low-Loss VCSEL Coupler in Si Photonics
N. Tahara (Dept. of Electrical and Computer Engineering, Yokohama National University)
P-39 Triple-Parallel Si Mach-Zehnder Optical Modulators for Low-Power Flexible Transmitters
K. Kawahara (Department of Electrical and Computer Engineering, Yokohama National University)
P-40 Prism Lens for Beam Collimation of Si Photonic Crystal Beam Scanner and LiDAR - Comparison of High-NA,
Low-Profile Design and Two-Piece Design K. Yamamoto (Dept. of Electrical and Computer Engineering, Yokohama National University)
P-41 OFDR Analysis of Si Photonics Components
S. Nawa (Dept. of Electrical and Computer Engineering, Yokohama National University)
P-42 Si photonics FMCW LiDAR chip using direct laser modulation and integrated optical interferometer for k -clock
generation
S. Yamazaki (Dept. Electrical and Computer Eng., Yokohama Nat’l Univ.)
P-43 All-arsenide stacked InAs quantum dots grown on InP substrate
J. Kwoen (Institute for Nano Quantum Information Electronics, The University of Tokyo)
P-44 High temperature operation of InAs/GaAs quantum dot laser with AlGaAs lateral potential barrier layers
M. Kakudaa,b (a Institute for Nano Quantum Information Electronics, The University of Tokyo, b AIO Core Co., Ltd.)-------------------------------------------------------------------------------