[15a-K505-1~8] 3.10 Photonic structures and phenomena | The 72nd JSAP Spring Meeting 2025

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Oral presentation3 Optics and Photonics : 3.10 Photonic structures and phenomena

[15a-K505-1~8]3.10 Photonic structures and phenomena

Sat. Mar 15, 2025 9:30 AM - 11:45 AM JST
Sat. Mar 15, 2025 12:30 AM - 2:45 AM UTC

K505 (Lecture Hall Bldg.)

Yasushi Takahashi(Osaka Metropolitan Univ.), Masato Takiguchi(NTT)

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)English Presentation

[15a-K505-1]Investigation of flat bands in bilayer one-dimensional moiré photonic crystals with staggered potential (III)

〇(D)Stepan Maksimovich Trushin¹, Yuki Ishii¹, Takahiro Ito¹, Satoshi Iwamoto², Yasutomo Ota¹ (1.Keio Univ., 2.RCAST, Tokyo Univ.)

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9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[15a-K505-2]Investigation of increasing number of multijunction active layers in PCSELs

〇Shumpei Katsuno¹, Masahiro Yoshida¹, Tomoyuki Kawase¹, Takuya Inoue¹, Menaka De Zoysa¹, Kotaro Okuda¹, Ranko Hatsuda¹, Kenji Ishizaki¹, Susumu Noda¹ (1.Kyoto Univ.)

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10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[15a-K505-3]Demonstration of photonic crystal laser with a 3-junction active layer

〇Eiji Miyai^1,2, Wataru Kunishi^1,2, Shumpei Katsuno¹, Takuya Inoue¹, Masahiro Yoshida¹, Menaka De Zoysa¹, Ranko Hatsuda¹, Kenji Ishizaki¹, Susumu Noda¹ (1.Kyoto Univ., 2.ROHM Co., Ltd.)

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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)English Presentation

[15a-K505-4]Nanoscale OAM light generation with asymmetric hollow nanowire design

〇(B)Xuen Zhen Lim¹, Masato Takiguchi^1,2, Ryuji Kuruma³, Hisashi Sumikura^1,2, Masaya Notomi^1,2,3 (1.NTT BRL, 2.NTT NPC, 3.Science Tokyo)

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10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[15a-K505-5]Analysis of high-power frequency modulation of multi-section photonic-crystal lasers

〇Shota Kurai¹, Takuya Inoue¹, Ryohei Morita¹, Shuei Nakano¹, Shota Ishimura², Hidenori Takahashi², Takehiro Tsuritani², Masatoshi Suzuki³, Susumu Noda¹ (1.Kyoto Univ., 2.KDDI Research, Inc., 3.CIST)

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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)English Presentation

[15a-K505-6]Effect of the Dirac frequency in valley photonic crystal heterostructure waveguides

〇(M1)Xiaomeng Chi^1,2, Chengkun Zhang^1,2, Nao Harada^1,2, Satoshi Iwamoto^1,2 (1.RCAST, The Univ. of Tokyo, 2.IIS, The Univ. of Tokyo)

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11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[15a-K505-7]Demonstration of slow light photonic crystal waveguides in diamond

〇Kazuhiro Kuruma^1,2, Sophie W. Ding¹, Chang Jin¹, Xinghan Guo³, Michael Haas¹, Zixi Li³, Boris Korzh⁴, Andrew Beyer⁴, Matt Shaw⁴, Alexander A. High^3,5, Marko Loncar¹ (1.Harvard Univ., 2.RCAST, Univ. of Tokyo, 3.Univ. of Chicago, 4.California Inst. of Tech., 5.Argonne Natl. Lab.)

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11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)English Presentation

[15a-K505-8]Transfer Learning for Optimizing Topological Z-bending Waveguide

〇(M1)QIANSHUO WANG¹, Liyan Hu¹, Xing-Xiang Wang¹, Sho Okada², Xiao Hu³, Tomohiro Amemiya¹ (1.Institute of Science Tokyo, 2.National Institute of Information and Communications Technology, 3.Shanghai University)

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