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Conferences > CLEO_FS > 2023 > FTu4D > FTu4D.2

Non-Hermitian Band Structure of Photonic Temporal Crystals

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

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Abstract

We experimentally confirm the non-Hermitian band structures of a photonic temporal crystal in the microwave. These non-Hermitian band structures are shown to be two measurable distinct subsets of complex eigenfrequency surfaces defined in complex momentum space.

© 2023 The Author(s)

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