Chiral response observed at exceptional points in  graphene-loaded photonic crystals

Syutaro Otsuka

Presentation information

Oral Session

CLEO-PR2022 » 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

[CTuP8B] 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

Tue. Aug 2, 2022 4:00 PM - 5:30 PM Conference Hall (Oval Room) (1F)

Session Chair: Ryuichi Ohta (NTT Basic Research Laboratories)

5:00 PM - 5:15 PM

[CTuP8B-05] Chiral response observed at exceptional points in graphene-loaded photonic crystals

Syutaro Otsuka¹, *Yuto Moritake¹, Taiki Yoda^2,3, Takahiro Uemura¹, Masaaki Ono^2,3, Eiichi Kuramochi^2,3, Masaya Notomi^1,2,3 (1. Tokyo Inst. of Tech. (Japan), 2. NTT Basic Res. Lab. (Japan), 3. NTT Nanophotonics Center (Japan))

[Presentation Style] Online

By using non-Hermitian photonic crystals loaded with graphene, we investigate unique chiral properties of exceptional points in the polarization space. We experimentally observe PT phase transition and chiral asymmetric transmission originating from exceptional points.