Revealing Non-Hermitian Band Structure of Photonic Floquet Media

Jagang Park,Hyukjoon Cho,Seojoo Lee,Kyung-Min Lee,Kanghee Lee,Hee Chul Park,Jung-Wan Ryu,Namkyoo Park,Sanggeun Jeon,Bumki Min

Frontiers in Optics + Laser Science 2022 (FIO, LS)（2022）

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摘要

We experimentally reveal the unique non-Hermitian band structures of a photonic Floquet medium emulated in the microwave regime. We observe the presence of the momentum gaps and the subharmonic parametric oscillations therefrom.

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关键词

photonic,band,non-hermitian

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