Demonstration of highly unidirectional edge states in terahertz slab waveguides

Hao Xiong; Yao Lu; Qiang Wu; Jingjun Xu

doi:10.1364/CLEO_QELS.2020.FTu4A.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FTu4A.7
•https://doi.org/10.1364/CLEO_QELS.2020.FTu4A.7

Demonstration of highly unidirectional edge states in terahertz slab waveguides

Hao Xiong, Yao Lu, Qiang Wu, and Jingjun Xu

CLEO: QELS_Fundamental Science 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Topological Effects (FTu4A)

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H. Xiong, Y. Lu, Q. Wu, and J. Xu, "Demonstration of highly unidirectional edge states in terahertz slab waveguides," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FTu4A.7.

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Abstract

We achieved highly unidirectional topological edge states in a terahertz slab waveguide based on the triangular honeycomb lattice. The unidirectional property and robustness of edge states against various kinds of defects were presented and studied.

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