Repair of pseudo time-reversal broken by topological phase transition in a photonic crystal slab

Yao Lu,Hao Xiong,Qiang Wu, Zongquan Deng,Qi Zhang,Ride Wang,Wenjuan Zhao, Jingyi Xu

conference on lasers and electro optics（2019）

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摘要

We demonstrated a repair of pseudo time-reversal broken by topological phase transition in a photonic crystal slab. By changing the spatial structures, the unidirectional topological edge states transit to bidirectional trivial ones. © 2019 The Author(s)

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关键词

photonic crystal slab,topological phase transition,phase transition,time-reversal

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