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Two types of corner states in two dimensional photonic crystals with finite sizes

Using two-dimensional square lattice photonic crystals (PCs) with different topological properties, we design different combined structures to construct two types of topological corner states (CSs), named as Type I and Type II CSs. Then by tuning sizes of inner PCs in the combined structures, we sys...

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Main Authors: Zirui Zhang, Yongxi Yao, Yu Zhang, Bao Zhao, Hongfang Zhang, Qiang Shi, Bing Yang
Format: Artigo
Language:Inglês
Published: IOP Publishing 2024-01-01
Series:New Journal of Physics
Subjects:
topological
corner states
SSH model
photonic crystal
finite sizes
Online Access:https://doi.org/10.1088/1367-2630/ad8956
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