Inherited topological edge states in photonic trimer lattices

Ziteng Wang,Domenico Bongiovanni,Zhichan Hu, Xiangdong Wang,Ruoqi Cheng,Daohong Song,Roberto Morandotti,Hrvoje Buljan,Zhigang Chen

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We show that topological properties of edge states in trimer lattices are inherited from the Su-Schrieffer-Heeger model, albeit not featuring the traditional Zak phase invariant. Such edge states are demonstrated in a photonic platform.

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关键词

(350.1370) Berry’s phase,(080.1238) Array waveguide devices,(070.7345) Wave propagation

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