Pseudo-spin–valley coupled edge states in a photonic topological insulator

Valleys in the photonic band structure provide an additional degree of freedom to engineer topological photonic structures and devices. Here, Kang et al. demonstrate that inter-valley scattering is inhibited at a Y-junction between three sections with different valley topology.

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Bibliographic Details
Main Authors: Yuhao Kang, Xiang Ni, Xiaojun Cheng, Alexander B. Khanikaev, Azriel Z. Genack
Format: article
Language:EN
Published: Nature Portfolio 2018
Subjects:
Q
Online Access:https://doaj.org/article/c2ea5e5e354743b7849af91373d30908
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