The 86th JSAP Autumn Meeting 2025
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Session Details

Oral presentation3 Optics and Photonics : 3.13 Silicon photonics, Photonics-electronics convergence, Optical control

[9p-N202-1~17]3.13 Silicon photonics, Photonics-electronics convergence, Optical control

Tue. Sep 9, 2025 1:30 PM - 6:15 PM JST
Tue. Sep 9, 2025 4:30 AM - 9:15 AM UTC
N202 (Lecture Hall North)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[9p-N202-1][The 58th Young Scientist Presentation Award Speech] III-V membrane MOSCAP microring optical modulator

〇Hiroya Sakumoto1, Tipat Piyapatarakul1, Kasidit Toprasertpong1, Shinichi Takagi1, Mitsuru Takenaka1 (1.The Univ. of Tokyo)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[9p-N202-2]Electro-optic polymer modulator based on thin-film silicon core

〇Hiromu Sato1, Shiyoshi Yokoyama1 (1.Kyushu Univ.)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[9p-N202-3]Demonstration of Visible-light Coherent Optical Communication Using Silicon-nitride Integrated 90-degree Optical Hybrid

〇Shota Ishimura1, Abdulaziz Elfiqi1, Takashi Kan1, Hidenori Takahashi1, Takehiro Tsuritani1 (1.KDDI Research)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[9p-N202-4]High saturation current and high speed Ge-on-Si photodetector with 4-port evanescently coupled waveguides

〇(D)CHAO ZHANG1, Rui Tang1, Makoto Okano2, Kasidit Toprasertpong1, Shinichi Takagi1, Mitsuru Takenaka1 (1.The Univ. of Tokyo, 2.National Inst. of Advanced Indus. Sci. and Tech)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N202-5]Integration of InGaAs MSM Photodetector with Narrow Metal Electrode Gap onto Si Waveguide

〇Kentaro Komatsu1, Tomohiro Akazawa1, Stephane Monfray2, Frederic Boeuf2, Toprasertpong Kasidit1, Mitsuru Takenaka1 (1.The Univ. of Tokyo, 2.STMicroelectronics)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[9p-N202-6]Influences of Well Layer Thickness on EL Properties for SiGe/Ge Multi Quantum Well LEDs

〇Mayu Aikawa1, Shuya Kikuoka1, Michihiro Yamada1, Hamaya Kohei2,3,4, Sawano Kentarou1 (1.Tokyo City Univ., 2.Grad. Sch. Eng. Sci., The Univ. of Osaka., 3.CSRN, The Univ. of Osaka., 4.OTRI, The Univ. of Osaka.)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[9p-N202-7]Non-Volatile Phase Shift Using Silicon Nitride Waveguide-Based Mach-Zehnder Interferometer

〇Yuriko Maegami1, Guangwei Cong1, Rai Kou1, Noritsugu Yamamoto1, Toshihiro Narushima1, Tai Tsuchizawa1, Hitoshi Kawashima1, Koji Yamada1 (1.AIST)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[9p-N202-8]Operating Characteristics of Point-Symmetrically Cascaded Mach-Zehnder Interferometer Optical Switch

〇(M1)Hirokazu Nakamura1, Toshio Watanabe1, Tsutomu Nagayama1, Seiji Fukushima1 (1.Kagoshima Univ.)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[9p-N202-9]Phase error correction of a 4×4 programmable photonic integrated circuit enabled by Si PIN phase shifter with built-in optical power monitor

〇Tomohiro Akazawa1, Rui Tang1, Yuto Miyatake1, Makoto Okano2, Kasidit Toprasertpong1, Shinichi Takagi1, Mitsuru Takenaka1 (1.The Univ. of Tokyo, 2.AIST)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[9p-N202-10]Comparative Analysis of Random Unitary Matrix Generators based on Programmable Photonic Circuits

〇(D)Chun Ren1, Ryota Tanomura1, Takuo Tanemura1 (1.The Univ. of Tokyo)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N202-11]Machine Learning Prediction of Photonic Processor Parameters for General-Purpose Digital Twin

〇Kohei Ikeda1,2, Shota Kita1,2, Kazuo Aoyama3, Keijiro Suzuki4, Yuriko Maegami4, Guanwei Cong4, Noritsugu Yamamoto4, Koji Yamada4, Akihiko Shinya1,2, Hiroshi Sawada3, Masaya Notomi1,2 (1.NTT NPC, 2.NTT BRL, 3.NTT CSL, 4.AIST)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N202-12]Generation of THz-Modulated Waves
Using a Heterogeneous Dual-Wavelength Tunable Laser diod

〇(B)Soma Kawano1, Kiyoharu Tujishita1, Tomohiro Kita1 (1.waseda univ.)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N202-13]Resolution Enhancement of Passive Optical Phased Arrays Using Star Couplers

〇(B)Risa Taniguchi1, Momoka Komoda1, Tomohiro Kita1 (1.Waseda Univ.)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[9p-N202-14]Demonstration of the crosstalk mitigation in self-similar waveguide arrays

〇Kota Toyama1,2, Ryo Kikuchi2, Nobuyuki Matsuda1,2 (1.RIEC, Tohoku Univ., 2.Grad. Sch. Eng., Tohoku Univ.)
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[9p-N202-15]SLG FPA Beam Scanner using Telecentric Lens Optics

〇Mikiya Kamata1, Takemasa Tamanuki1, Keisuke Hirotani1, Toshihiko Baba1 (1.Yokohama Nat'l Univ.)
5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)

[9p-N202-16]SLG beam scanner integrated with SiN microring wavelength selective switches

〇Yoshiki Komatsu1, Takemasa Tamanuki1, Mikiya Kamata1, Toshihiko Baba1 (1.Yokohama Nat'l Univ)
6:00 PM - 6:15 PM JST(9:00 AM - 9:15 AM UTC)

[9p-N202-17]Realtime Si photonics nonmechanical FMCW LiDAR with SLG beam scanner and interpolation k-clock sampling (IV) --- Application to 4 sub array SLG

〇Shumpei Yamazaki1, Takemasa Tamanuki1, Mikiya Kamata1, Toshihiko Baba1 (1.Yokohama Nat'l Univ.)
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