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

Autor: Yuhao Kang, Xiang Ni, Xiaojun Cheng, Alexander B. Khanikaev, Azriel Z. Genack
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Druh dokumentu: article
ISSN: 2041-1723
DOI: 10.1038/s41467-018-05408-w
Popis: 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.
Databáze: Directory of Open Access Journals