The 86th JSAP Autumn Meeting 2025
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Session Details

Oral presentation3 Optics and Photonics : 3.10 Photonic structures and phenomena

[10p-N221-1~10]3.10 Photonic structures and phenomena

Wed. Sep 10, 2025 1:30 PM - 4:15 PM JST
Wed. Sep 10, 2025 4:30 AM - 7:15 AM UTC
N221 (Lecture Hall North)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[10p-N221-1]Long term analysis of coupled nanocavity system using GPU-accelerated FDTD method

〇(M1)Masahiro Horibe1, Takashi Asano1 (1.Kyoto Univ.)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[10p-N221-2]Fabrication and Evaluation of an Inverse-Designed High-Q SiN Photonic Crystal L6/5 Cavity

〇Masato Takiguchi1,2, Xuen Zhen Lim2, Peter Heidt2, Takuma Aihara3, Sotatsu Yanagimoto2, Hisashi Sumikura1,2, Masaya Notomi1,2,4 (1.NTT NPC, 2.NTT BRL, 3.NTT DTL, 4.Science Tokyo)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[10p-N221-3]Mode modulation of photonic crystal resonators using the phase-change material Sb2Se3.

〇Keiju Iwatani1,2, Takahiro Uemura1,2, Yuto Moritake1, Eiichi Kuramochi2,3, Hisashi Sumikura2,3, Masaya Notomi1,2,3 (1.Science Tokyo, 2.NTT BRL, 3.NTT NPC)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[10p-N221-4]Suppression of Q-factor variation in an asymmetric heterostructure nanocavity
with the designed Q-factor exceeding 300 million

〇(M1)Yuta Kanemaru1, Takashi Asano2, Rikuto Ichinose1, Yasushi Takahashi3 (1.Osaka Met. Univ., 2.Kyoto Univ., 3.Okayama Univ.)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[10p-N221-5]Investigation of compact magneto-optical circulators based on a-Si photonic crystals with YIG defects

〇(M1)Daisuke Sato1, Kota Taniguchi1, Yambe takeru1, Siyuan Gao1, Satoshi Iwamoto2, Yasutomo Ota1 (1.Keio Univ., 2.RCAST, the Univ. of Tokyo)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[10p-N221-6]Fabrication and optical characterization of photonic crystal nanocavities based on monocrystalline yttrium iron garnet

〇Kota Taniguchi1, Takeru Yambe1, Daisuke Sato1, Siyuan Gao1, Hironobu Yoshimi1, Hideo Otsuki2, Satoshi Iwamoto2, Yasutomo Ota1 (1.Keio Univ., 2.RCAST, the Univ. of Tokyo)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[10p-N221-7]Investigation of photonic nanostructures with aperiodic monotile ~ cavity and waveguide

〇Shunki Nakamura1, Toshihiko Baba1 (1.Yokohama Nat'l Univ.)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[10p-N221-8]Investigation of slow light waveguides based on mode-coupling-induced BICs at off-high symmetry points

〇(B)Sae Endo1, Yuta Tanimura1, Kenta Takata2, Takahiro Uemura3,4, Masaya Notomi3,4,5, Satoshi Iwamoto6, Yasutomo Ota1 (1.Keio Univ., 2.NTTRI PHI Lab, 3.Inst. Sci. Tokyo, 4.NTT BRL, 5.NTT NPC, 6.RCAST, Univ. of Tokyo)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)English Presentation

[10p-N221-9]Optimization of Topological Z-Bend Waveguide Characterization Using Transfer Learning

〇(M2)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)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-N221-10]Investigation on coupling of Si wire waveguides with three-dimensional crossovers

〇Hironobu Yoshimi1, Akinari Fujita1, Siyuan Gao1, Takahiro Ito1, Yuma Tachizaki1, Satoshi Iwamoto2,3, Yasutomo Ota1 (1.Keio Univ., 2.RCAST, UTokyo, 3.IIS, UTokyo)
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