The 72nd JSAP Spring Meeting 2025
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Session Details

Oral presentation3 Optics and Photonics : 3.10 Photonic structures and phenomena

[14p-K505-1~14]3.10 Photonic structures and phenomena

Fri. Mar 14, 2025 1:30 PM - 5:30 PM JST
Fri. Mar 14, 2025 4:30 AM - 8:30 AM UTC
K505 (Lecture Hall Bldg.)
Takashi Asano(Kyoto Univ.), Yasutomo Ota(Keio Univ.), Hisashi Sumikura(NTT)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[14p-K505-1]Observation of non-Hermitian point gap using Si photonic crystal slabs

Nozomi Ogawa1,2, 〇Yuto Moritake1, Takahiro Uemura1,2, Taiki Yoda1,3, Kenta Takata2,4, Eiichi Kuramochi2,4, Hisashi Sumikura2,4, Masaya Notomi1,2,4 (1.Science Tokyo, 2.NTT BRL, 3.Kwansei Gakuin, 4.NTT NPC)
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1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)English Presentation

[14p-K505-2]Analysis of guided modes in a photonic graphene ribbon with air cladding

〇(D)Chengkun Zhang1,2, Natsuko Ishida1, Yasutomo Ota3, Satoshi Iwamoto1,2 (1.RCAST, 2.IIS, 3.Keio Univ.)
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2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[14p-K505-3]Design of quantum-cascade photonic-crystal surface-emitting lasers with high radiation efficiency

〇Takuya Inoue1, Yusuke Awane1,2, Susumu Noda1 (1.Kyoto Univ., 2.HORIBA Ltd.)
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2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)English Presentation

[14p-K505-4]Numerical calculation of topological invariants in non-Hermitian photonic crystals

〇ThanhHuyen Phan1, Katsunori Wakabayashi1 (1.Kwansei Gakuin Univ.)
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2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[14p-K505-5]Analysis of Photonic Crystal Lasers with External Reflectors

〇(M1)Shota Koga1, Takuya Inoue1, Ryohei Morita1, Menaka De Zoysa1, Susumu Noda1 (1.Kyoto Univ.)
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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[14p-K505-6]Generation of orbital angular momentum by optical non-Hermitian skin effect in anisotropic lossy media

〇Issei Takeda1,2, Taiki Yoda1, Yuto Moritake1, Kenta Takata2,3, Masaya Notomi1,2,3 (1.Science Tokyo, 2.NTT BRL, 3.NTT NPC)
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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[14p-K505-7]Analysis of mutual injection locking of photonic-crystal lasers

〇Ryo Kitada1, Takuya Inoue1, Masahiro Yoshida1, Susumu Noda1 (1.Kyoto Univ.)
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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[14p-K505-8]Splitting of an exceptional point into nonlinear bifurcation points in anti-parity-time symmetric coupled cavities

〇Takahiro Uemura1,2, Kenta Takata2,3, Masaya Notomi1,2,3 (1.Science Tokyo, 2.NTT BRL, 3.NTT NPC)
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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[14p-K505-9]Development of packaging and thermal management technologies for continuous-wave operation of 10-mm-diameter PCSELs

〇Masahiro Yoshida1, Kotaro Okuda1, Shumpei Katsuno1, Takuya Inoue1, Menaka De Zoysa1, Kenji Ishizaki1, Susumu Noda1 (1.Kyoto Univ.)
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4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[14p-K505-10]Fabrication and Characterization of a Circular Polarization Generator utilizing Valley Topology

〇Wataru Kai1, Wembo Lin1, Chengkun Zhang2, Hironobu Yoshimi3, Tomohiro Amemiya1, Yasutomo Ota3, Satoshi Iwamoto2, Shigeru Nakagawa1 (1.Science Tokyo, 2.RCAST, Univ. Tokyo, 3.Keio Univ.)
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4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[14p-K505-11]Introduction of non-radiative regions below surface electrodes of large-area PCSELs

〇Kosuke Honda1, Masahiro Yoshida1, Takuya Inoue1, Shumpei Katsuno1, Kotaro Okuda1, Menaka De Zoysa1, Susumu Noda1 (1.Kyoto Univ.)
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4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K505-12]Photonic topological phase transition using transparent phase change material Sb2Se3

〇Takahiro Uemura1,2, Yuto Moritake1, Masaaki Ono2,3, Eiichi Kuramochi2,3, Hisashi Sumikura2,3, Masaya Notomi1,2,3 (1.Science Tokyo, 2.NTT BRL, 3.NTT NPC)
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5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[14p-K505-13]Photonic valley-polarized topological phase transition by transparent phase-change material Sb2Se3

〇Keiju Iwatani1,2, Takahiro Uemura1,2, Yuto Moritake1, Masaya Notomi1,2,3 (1.Science Tokyo, 2.NTT BRL, 3.NTT NPC)
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5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[14p-K505-14]Z-scan measurement in a one-dimensional photonic crystal microcavity containing an oligo(p-phenylenevinylene) derivatives

〇Yuito Onishi1, Jumpei Doi1, Shuhei Morishita1, Masaki Kunihiro1, Masahiro Funahashi2, Noriaki Tsurumachi1 (1.Kagawa Univ, 2.Kobe Univ)
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