[21p-E205-1~10] 3.11 Photonic structures and phenomena

Sat. Sep 21, 2019 1:15 PM - 4:00 PM E205 (E205)

Satoshi Iwamoto(Univ. of Tokyo), Susumu Noda(Kyoto Univ.)

△：Presentation by Applicant for JSAP Young Scientists Presentation Award
▲：English Presentation
▼：Both of Above
No Mark：None of Above

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1:15 PM - 1:30 PM

△ [21p-E205-1] Splitting from at-Γ BIC into singularity in photonic crystal slabs with triangular lattice

〇Taiki Yoda^1,2, Masaya Notomi^1,2,3 (1.Tokyo Tech, 2.NTT BRL, 3.NTT NPC)

1:30 PM - 1:45 PM

[21p-E205-2] accidentally formed BIC at high-order K point of triangular lattice

〇(M2C)Hiroki Nouka^1,2, Kouno Keisuke^1,2, Moritake Yuto^1,2, Yoda Taiki^1,2, Notomi Masaya^1,2,3 (1.Tokyo Tech, 2.NTTBRL, 3.NTT NPC)

1:45 PM - 2:00 PM

△ [21p-E205-3] Observation of light propagation through a valley photonic crystal waveguide formed at a bearded interface

〇Hironobu Yoshimi^1,2, Takuto Yamaguchi^1,2, Ryota Katsumi^1,2, Yasutomo Ota³, Yasuhiko Arakawa³, Satoshi Iwamoto^1,2,3 (1.RCAST, The Univ. of Tokyo, 2.IIS, The Univ. of Tokyo, 3.NanoQuine, The Univ. of Tokyo)

2:00 PM - 2:15 PM

[21p-E205-4] Efficient light couplers for valley photonic crystal slow light waveguides

〇Hironobu Yoshimi^1,2, Takuto Yamaguchi^1,2, Yasutomo Ota³, Yasuhiko Arakawa³, Satoshi Iwamoto^1,2,3 (1.RCAST, The Univ. of Tokyo, 2.IIS, The Univ. of Tokyo, 3.NanoQuine, The Univ. of Tokyo)

2:15 PM - 2:30 PM

[21p-E205-5] Topological taper structure towards highly efficient coupling between Si wire waveguides and topological edge state waveguide

〇(M2)Hibiki Kagami¹, Tomohiro Amemiya¹, Sho Okada¹, Koichi Saito¹, Makoto Tanaka¹, Nobuhiko Nishiyama¹, Xiao Hu² (1.Tokyo Tech, 2.NIMS)

2:30 PM - 2:45 PM

△ [21p-E205-6] Investigation of optical waveguides with valley photonic crystals based on accidental degeneracies

〇Takuto Yamaguchi^1,2, Yasutomo Ota³, Yasuhiko Arakawa³, Satoshi Iwamoto^1,2,3 (1.RCAST, Univ. of Tokyo, 2.IIS, Univ. of Tokyo, 3.NanoQuine, Univ. of Tokyo)

3:00 PM - 3:15 PM

△ [21p-E205-7] Ultralow-loss Branch Waveguide Using Valley Photonic Crystals

〇Yuichiro Yamagami¹, Xiongbin Yu¹, Abhishek Kumar², Prakash Pitchappa², Ranjan Singh², Masayuki Fujita¹, Tadao Nagatsuma¹ (1.Osaka Univ., 2.Nanyang Tech. Univ.)

3:15 PM - 3:30 PM

[21p-E205-8] Control of photonic valley topology by using phase-change materials

〇Takahiro Uemura^1,2, Hisashi Chiba^1,2, Taiki Yoda^1,2, Yuto Moritake¹, Yusuke Tanaka², Masaya Notomi^1,2,3 (1.TokyoTech, 2.NTT BRL, 3.NTT NPC)

3:30 PM - 3:45 PM

[21p-E205-9] Theoretical analysis of optical vortex splitter / combiner in topological optical circuits

〇(M1)Sho Okada¹, Tomohiro Amemiya^1,2, Kouichi Saito¹, Hibiki Kagami¹, Makoto Tanaka¹, Nobuhiko Nishiyama^1,2, Xiao Hu³ (1.Tokyo Tech, 2.IIR, 3.NIMS)

3:45 PM - 4:00 PM

[21p-E205-10] Si-based orbital angular momentum demux using topological edge state waveguide

〇Tomohiro Amemiya^1,2, Hibiki Kagami², Kouichi Saito², Makoto Tanaka², Sho Okada², Nobuhiko Nishiyama², Xiao Hu³ (1.Tokyo Tech IIR, 2.Tokyo Tech, 3.NIMS)

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