[10p-B11-1~17] 3.10 Photonic structures and phenomena | The 87th JSAP Autumn Meeting 2026

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Oral presentation3 Optics and Photonics : 3.10 Photonic structures and phenomena

[10p-B11-1~17]3.10 Photonic structures and phenomena

Thu. Sep 10, 2026 1:45 PM - 6:30 PM JST
Thu. Sep 10, 2026 4:45 AM - 9:30 AM UTC

B11 (Faculty of Engineering B Block)

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)English Presentation

[10p-B11-1]Numerical Investigation of Emission Enhancement from β-Ga₂O₃ Color Centers Using an External Silicon Ring Resonator

〇(M2)ZIYI CHEN¹, Yun Jia¹, Guangtai Lu¹, Natthajuks Pholsen², Riena Jinno¹, Satoshi Iwamoto^1,2 (1.RCAST Univ. Tokyo, 2.IIS Univ. Tokyo)

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

[10p-B11-2]Band-Edge Assisted Nonlinear Optical Limiting in VS2 Quantum Dots-Embedded TiO2/Cellulose Acetate Photonic Crystal

〇(D)Hasana Jahan E K¹, Amrutha S¹, Dhanusmith A V¹, Chandrasekharan K¹ (1.NIT Calicut)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-B11-3]Demonstration of reduced electrode-shielding loss by introducing non-radiative region beneath the surface electrodes in 3-mm-diameter PCSELs with a double-junction active layer

〇(D)Kotaro Okuda¹, Masahiro Yoshida¹, Shumpei Katsuno², Takuya Inoue¹, Menaka De Zoysa¹, Kenji Ishizaki², Susumu Noda^2,1 (1.Fac. Eng. Kyoto Univ., 2.KUIAS)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[10p-B11-4]300-W continuous-wave operation of 10-mm-diameter photonic-crystal surface-emitting lasers

〇Masahiro Yoshida¹, Kotaro Okuda¹, Shumpei Katsuno², Takuya Inoue¹, Menaka De Zoysa¹, Kenji Ishizaki², Susumu Noda^2,1 (1.Kyoto Univ., 2.KUIAS)

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

[10p-B11-5]High Q-factor nanowire WGM resonators based on bound state in the continuum

〇Xuejun Xu¹, Guoqiang Zhang^1,2, Masato Takiguchi^1,2, Hideki Gotoh^1,3, Haruki Sanada¹ (1.NTT BRL, 2.NTT NPC, 3.Hiroshima Univ.)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[10p-B11-6]Detailed Investigation of Thermal Effects Induced by Spontaneous Emission Absorption
Inside Photonic-Crystal Lasers

〇Shumpei Katsuno¹, Masahiro Yoshida², Tomoyuki Kawase², Takuya Inoue², Menaka De Zoysa², Kotaro Okuda², Kenji Ishizaki¹, Susumu Noda^1,2 (1.KUIAS, 2.Fac. Eng. Kyoto Univ.)

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

[10p-B11-7]Demonstration of lasing in twist-stacked moiré photonic crystals

〇Shuma Ito¹, Takahiro Ito¹, Akinari Fujita¹, Stepan Trushin¹, Jinkwan Kwoen³, Masahiro Kakuda³, Yasuhiko Arakawa³, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, Tokyo Univ., 3.NanoQuine)

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

[10p-B11-8]Investigation of GaN-based triangular lattice photonic crystal lasers (II)

〇Masahiro Jutori¹, Rintaro Kishi¹, Tomoaki Koizumi^3,1, Tomoki Masuyama^3,1, Narita Yamaguchi^3,1, Kei Emoto^3,1, Takuya Inoue¹, Kenji Ishizaki², Masahiro Yoshida¹, Shumpei Katsuno², Menaka De Zoysa¹, Susumu Noda^2,1 (1.Kyoto Univ., 2.KUIAS, 3.Stanley Electric)

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

[10p-B11-9]Scaling law of flatband light localization in one-dimensional merged moiré photonic crystal nanobeams

〇Takahiro Ito¹, Stepan Trushin¹, Shuma Ito¹, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio Univ., 2.RCAST)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[10p-B11-10]Observation of lasing oscillation from one-dimensional stacked moiré photonic crystal nanobeam cavities

〇Takahiro Ito¹, Akinari Fujita¹, Shuma Ito¹, Stepan Trushin¹, Guangtai Lu², Jinkwan Kwoen³, Masahiro Kakuda³, Yasuhiko Arakawa³, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, 3.NanoQuine)

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

[10p-B11-11]Theoretical Study of Interface-Localized Optical States in Chiral Photonic Crystal Junctions

〇Katsuhiro Takahashi¹, Shoya Yoshida¹, Wakabayashi Katsunori² (1.Kwansei Gakuin Univ., 2.NIMS)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-B11-12]Observation of nonlinear magneto–optical Kerr effects in epsilon-near-zero ITO

〇(M1)Ryoga Tsuzuki¹, Siyuan Gao¹, Kenji Ikeda², Nobukiyo Kobayashi², Satoshi Iwamoto³, Yasutomo Ota¹ (1.Keio Univ., 2.DENJIKEN, 3.RCAST)

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-B11-13]Generation of vector vortex beams using spiral phase plate integrated photonic-crystal surface-emitting lasers

〇(M1)Harumi Shida¹, Kento Iwasaki¹, Takahisa Kojima¹, Zijun Bian¹, Susumu Noda², Kyoko Kitamura^1,2 (1.Tohoku Univ., 2.Kyoto Univ.)

5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)English Presentation

[10p-B11-14]Optical vortex generation from flatband localized modes in twist-stacked moiré photonic crystal bilayers

〇(DC)Stepan Maksimovich Trushin¹, Takahiro Ito¹, Shuma Ito¹, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio University, 2.RCAST, Tokyo Univ.)

5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-B11-15]Generation of circularly polarized beams using spiral phase plate integrated photonic-crystal surface-emitting lasers

〇Kento Iwasaki¹, Harumi Shida¹, Takahisa Kojima¹, Zijun Bian¹, Susumu Noda², Kyoko Kitamura^1,2 (1.Tohoku Univ., 2.Kyoto Univ.)

6:00 PM - 6:15 PM JST(9:00 AM - 9:15 AM UTC)

[10p-B11-16]Observation of Circularly Polarized Diffraction from Dual-Periodic Valley Photonic Crystals

〇Wataru Kai¹, Wenbo Lin¹, Raku Yamaji¹, Chengkun Zhang², Hironobu Yoshimi³, Tomohiro Amemiya¹, Yasutomo Ota³, Satoshi Iwamoto², Shigeru Nakagawa¹ (1.Science Tokyo, 2.RCAST, Univ., 3.Keio Univ.)

6:15 PM - 6:30 PM JST(9:15 AM - 9:30 AM UTC)

[10p-B11-17]Chiral Mode Generation in Non-Hermitian Coupled-Resonator Systems

〇Kota Yagi^1,2, Takahiro Uemura², Yuto Moritake^1,3, Masaya Notomi^1,2,4 (1.Science Tokyo, 2.NTT BRL, 3.The Univ. of Tokyo, 4.NTT NPC)

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