[17p-WL2_401-1~14] 3.13 Silicon photonics, Photonics-electronics convergence, Optical control | The 73rd JSAP Spring Meeting 2026

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

[17p-WL2_401-1~14]3.13 Silicon photonics, Photonics-electronics convergence, Optical control

Tue. Mar 17, 2026 1:30 PM - 5:15 PM JST
Tue. Mar 17, 2026 4:30 AM - 8:15 AM UTC

WL2_401 (West Lecture Bldg. 2)

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[17p-WL2_401-1][The 47th Young Scientist Award Speech] Design and Demonstration of Compact, Low-loss, and Broadband 2×2 Si Optical Coupler using Evolution Strategy

〇Yuto Miyatake¹, 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)

[17p-WL2_401-2]Comprehensive Optimization of Si Photonics MMI Coupler with Micro-Scale Concave-Convex Structure at O- and C-Bands

〇Tsubasa Sato¹, Kazuki Nagata¹, Toshihiko Baba¹ (1.Yokohama Nat'l Univ.)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[17p-WL2_401-3]Fabrication Error Analysis of Si Photonics Metastructure Grating Couplers

〇Naoki Tahara¹, Mikiya Kamata¹, Toshihiko Baba¹ (1.Yokohama Natl Univ)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[17p-WL2_401-4]Nonperiodic Design of Si Photonics Two-Dimensional Grating Coupler

〇Yuichiro Yamada¹, Naoki Tahara¹, Toshihiko Baba¹ (1.Yokohama Nat'l Univ.)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-WL2_401-5]6-inch Wafer-scale fabrication of silicon passive components using UV nanoimprint lithography

〇(B)Yuki Nakayama¹, Shu Nagamatsu¹, Gai Ichisawa¹, Towa Maekawa¹, Risako Mori², Yasushi Fujii², Takahiro Asai², Dai Shiota², Kazuto Oonou³, Daiji Tanabe³, Nobuhiko Nishiyama¹, Tomohiro Amemiya¹ (1.Science Tokyo, 2.TOKYO OHKA KOGYO, 3.Tekscend Photomask)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)English Presentation

[17p-WL2_401-6]High-Efficiency Vertical Coupler between Si and Low-index (~1.6) SiON Waveguide with Low Polarization Dependance Loss

〇Haoyu Chen¹, Moataz Eissa¹, Kaibin Yao¹, Tsuyoshi Horikawa¹, Keisuke Kawahara¹, Nobuhiko Nishiyama^1,2,3 (1.Science Tokyo, 2.NEX-SECC, 3.PETRA)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-WL2_401-7]Investigation of Alignment-Free Coupling to Racetrack Resonators with Coupled Crossover Waveguides

〇(B)Hiroyasu Kobayashi¹, Hironobu Yoshimi¹, Takeru Yambe¹, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, Univ. of Tokyo)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[17p-WL2_401-8]Highly Sensitive Optical Hydrogen Sensor Based on Pt-SiO₂/Si Microring Resonator with Al₂O₃ Upper Cladding Layer

〇hiroaki tasaki¹, ayumu sato¹, shinji okazaki¹, yoshiaki nishijima¹, taro arakawa¹ (1.Yokokoku Univ.)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[17p-WL2_401-9]Vertical coupling between printable microdisk and waveguide enabled by cladding layer smoothing

〇(M1)Hayato Matsubayashi¹, Frederik van Schoonhoven², Tomohiro Yasuoka¹, Jinghan Chen¹, Yuji Oki¹, Carsten Schuck², Hiroaki Yoshioka¹ (1.Kyushu Univ., 2.Munster Univ.)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[17p-WL2_401-10]Mode Control in Printed Microdisks Using Nanoscratch-Induced Gratings

〇Jinghan Chen¹, Hayato Matsubayashi¹, Frederik van Schoonhoven², Tomohiro Yasuoka¹, Yuji Oki¹, Carsten Schuck², Hiroaki Yoshioka¹ (1.Kyushu Univ., 2.Univ. of Munster)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-WL2_401-11]Proposal of photonic wire printing and demonstration of chip-to-chip optical interconnects

〇Hironobu Yoshimi¹, Akinari Fujita¹, Siyuan Gao¹, Takahiro Ito¹, Yuma Tachizaki¹, Satoshi Iwamoto^2,3, Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, UTokyo, 3.IIS, UTokyo)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[17p-WL2_401-12]Analysis of TM mode coupled crossover waveguides and application to polarization splitters

〇Hironobu Yoshimi¹, Satoshi Iwamoto^2,3, Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, UTokyo, 3.IIS, UTokyo)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)English Presentation

[17p-WL2_401-13]Fabrication of ITO TFTsfor driving thermo-optic phase shifters on Si photonics platform

〇(M2)YUANPIN WANG¹, Xuanhedong Gao¹, Okano Makoto², Kasidit Toprasertpong¹, Shinichi Takagi¹, Mitsuru Takenaka¹ (1.UTokyo, 2.AIST)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[17p-WL2_401-14]Low-power and fast optical switch using III–V/Si hybrid MOS optical phase shifters

〇Tomohiro Akazawa¹, Rui Tang¹, Hanzhi Tang¹, Makoto Okano², Nobuyuki Matsuda³, Kasidit Toprasertpong¹, Shinichi Takagi¹, Mitsuru Takenaka¹ (1.The Univ. of Tokyo, 2.AIST, 3.Tohoku Univ.)

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