The 84th JSAP Autumn Meeting 2023
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Oral presentation3 Optics and Photonics : 3.10 Photonic structures and phenomena (formerly 3.11)

[22p-A308-1~17]3.10 Photonic structures and phenomena (formerly 3.11)

Fri. Sep 22, 2023 1:15 PM - 6:00 PM JST
Fri. Sep 22, 2023 4:15 AM - 9:00 AM UTC
A308 (KJ Hall)
Akihiko Shinya(NTT), Yasushi Takahashi(Osaka Metropolitan Univ.), Kyoko Kitamura(Kyoto Inst. of Tech.)
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1:15 PM - 1:30 PM JST(4:15 AM - 4:30 AM UTC)

[22p-A308-1][Young Scientist Presentation Award Speech] Extension of direct modulation bandwidth of photonic-crystal lasers based on photon-photon resonance (II)

〇Ryohei Morita1, Takuya Inoue1, Shuei Nakano1, Menaka De Zoysa1, Kenji Ishizaki1, Susumu Noda1 (1.Kyoto Univ.)
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1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)English Presentation

[22p-A308-2]Generation of multiple EPs with modulated loss/ gain parameters in a PT system

〇(D)Manish Kala1, Pawan Singh1, Akhilesh Kumar Mishra1 (1.IIT Roorkee India)
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1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[22p-A308-3]Real-time control of lasing mode state in multiple-electrode PCSEL under CW condition
based on CMA-ES and deep learning

〇Koki Izumi1, Menaka De Zoysa1, Naoki Gyoja1, Takato Kobayashi1, Takuya Inoue1, Shumpei Katsuno1, Masahiro Yoshida1, Kenji Ishizaki1, Ranko Hatsuda1, Takashi Asano1, Susumu Noda1 (1.Kyoto Univ.)
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2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[22p-A308-4]Introduction of in-plane temperature control mechanism for photonic-crystal surface-emitting lasers

〇Takato Kobayashi1, Koki Izumi1, Menaka De Zoysa1, Naoki Gyoja1, Takuya Inoue1, Shumpei Katsuno1, Masahiro Yoshida1, Kenji Ishizaki1, Ranko Hatsuda1, Susumu Noda1 (1.Kyoto Univ.)
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2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[22p-A308-5]Structural Design for Improved Bending Efficiency of Topological Waveguide Z-bend by Deep Learning

〇Itsuki Sakamoto1, Sho Okada1, Ken Hattori1, Nobuhiko Nishiyama1,2, Xiao Hu3, Tomohiro Amemiya1 (1.Tokyo Tech, 2.Tokyo Tech IIR, 3.WPI-MANA)
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2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[22p-A308-6]Experimental demonstration of photonic topological phase transition with selectively loaded Ge2Sb2Te5

〇Takahiro Uemura1,2, Hisashi Chiba1,2, Taiki Yoda1,2, Yuto Moritake1, Yusuke Tanaka2, Eiichi Kuramochi2,3, Masaaki Ono2,3, Masaya Notomi1,2,3 (1.TokyoTech, 2.NTT BRL, 3.NTT NPC)
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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[22p-A308-7]Detailed analysis of emission properties of modulated PCSELs by RCWA method (II)

〇(M1)Soki Tanaka1, Ryoichi Sakata1, Takuya Inoue1, Kenji Ishizaki1, Menaka De Zoysa1, Susumu Noda1 (1.Kyoto Univ.)
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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[22p-A308-8]An optical skyrmion crystal beam generator based on elephant couplers

〇Wenbo Lin1, Tomoya Yoshida2, Yuki Atsumi2, Youichi Sakakibara2, Tomohiro Amemiya3, Yasutomo Ota4, Satoshi Iwamoto5 (1.KIS, Univ. Tokyo, 2.AIST, 3.Tokyo Tech., 4.Keio Univ., 5.RCAST, Univ. Tokyo)
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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[22p-A308-9]Narrow-divergence and multi-dot emission based on modulated PCSELs with double lattice structure

〇Kenji Ishizaki1, Ryoichi Sakata1, Akira Imamura1, Takuya Inoue1, Soki Tanaka1, Menaka De Zoysa1, Nozomu Komatsubara1,2, Osamu Maeda2, Hiroki Ota1,2, Kazuyoshi Yamada2, Masashi Nakamura2, Keiji Yamaguchi2, Ranko Hatsuda1, Susumu Noda1 (1.Kyoto Univ., 2.Sony SS)
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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[22p-A308-10]Experimental observation of propagation of off-Γ BIC in 1D grating structures

〇Koumei Hamaya1, Moritake Yuto1, Yoda Taiki1, Ono Masaaki2,3, Kuramochi Eiichi2,3, Notomi Masaya1,2,3 (1.Tokyo Tech, 2.NTT NPC, 3.NTT BRL)
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4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[22p-A308-11]Topological optimization of diffraction grating in SLG beam scanner

〇Keisuke Hirotani1, Masataka Ando1, Saneyuki Suyamja1, Toshihiko Baba1 (1.Yokohama Nat'l Univ.)
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4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[22p-A308-12]Study on a lateral-projection focusing grating coupler for on-chip ion trapping

〇Wenbo Lin1, Daizen Ishii2, Alto Osada1 (1.KIS, Univ. Tokyo, 2.College Arts Sci., Univ. Tokyo)
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4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[22p-A308-13]Numerical analysis of moiré superlattice valley photonic crystals

〇(M1)Yuki Ishii1, Lu Guangtai2, Satoshi Iwamoto2, Yasutomo Ota1 (1.Keio Univ., 2.RCAST, the Univ. of Tokyo)
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5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[22p-A308-14]Investigation on high-peak power short-pulse operation of modulated PCSELs

〇Ryoichi Sakata1, Kenji Ishizaki1, Takuya Inoue1, Ryohei Morita1, Soki Tanaka1, Menaka De Zoysa1, Susumu Noda1 (1.Kyoto Univ.)
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5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[22p-A308-15]Realtime Si photonics nonmechanical FMCW LiDAR with SLG beam scanner and interpolation k-clock sampling (II) --- Integration of interferometer

〇Shumpei Yamazaki1, Takemasa Tamanuki1, Mikiya Kamata1, Toshihiko Baba1 (1.Yokohama Nat'l Univ.)
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5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[22p-A308-16]Development of GaN-PCSEL-based 3D ToF-LiDAR for ranging in water (II)

〇Kenji Ogawa1, Menaka De Zoysa1, Masahiro Jutori1, Kei Emoto2,1, Tomoaki Koizumi2,1, Shunsuke Morimoto1, Koki Izumi1, Takuya Inoue1, Kenji Ishizaki1, Susumu Noda1 (1.Kyoto Univ., 2.Stanley Electric CO., LTD.)
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5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[22p-A308-17]A GaN micro-disk laser fabricated by laser-assisted photo-electrochemical etching and its characterization

〇Sho Sosumi1, Kazuo Uchida1, Takeyoshi Tajiri1 (1.Electro-Communications Univ.)
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