Topological Edge States on Different Domain Walls of Two Opposed Helical Waveguide Arrays

Floquet topological insulators (FTIs) have richer topological properties than static systems. In this work, we designed different domain wall (DW) structures consisting of a Floquet photonic lattice with opposite helical directions. We investigated the existence and types of edge states in three sha...

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Autores principales:	Junying Wang, Zhiwei Shi, Xifeng Ji, Yajing Zhang, Huagang Li, Yaohua Deng, Kang Xie
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	MDPI AG 2023-10-01
Colección:	Photonics
Materias:	Floquet topological insulator domain wall shared coupling topological edge state modulation phase factor
Acceso en línea:	https://www.mdpi.com/2304-6732/10/11/1220
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