Engineering topological edge states in two dimensional magnetic photonic crystal

Bing Yang; Tong Wu; Xiangdong Zhang

doi:10.1063/1.4973990

Engineering topological edge states in two dimensional magnetic photonic crystal

Bing Yang, Tong Wu, Xiangdong Zhang^*

^*Corresponding author for this work

School of Physics

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Based on a perturbative approach, we propose a simple and efficient method to engineer the topological edge states in two dimensional magnetic photonic crystals. The topological edge states in the microstructures can be constructed and varied by altering the parameters of the microstructure according to the field-energy distributions of the Bloch states at the related Bloch wave vectors. The validity of the proposed method has been demonstrated by exact numerical calculations through three concrete examples. Our method makes the topological edge states "designable.

Original language	English
Article number	021109
Journal	Applied Physics Letters
Volume	110
Issue number	2
DOIs	https://doi.org/10.1063/1.4973990
Publication status	Published - 9 Jan 2017

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AU - Zhang, Xiangdong

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AB - Based on a perturbative approach, we propose a simple and efficient method to engineer the topological edge states in two dimensional magnetic photonic crystals. The topological edge states in the microstructures can be constructed and varied by altering the parameters of the microstructure according to the field-energy distributions of the Bloch states at the related Bloch wave vectors. The validity of the proposed method has been demonstrated by exact numerical calculations through three concrete examples. Our method makes the topological edge states "designable.

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Engineering topological edge states in two dimensional magnetic photonic crystal

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