提出了一种基于谷霍尔效应的单向波导,波导结构由两种不同拓扑性质的光子晶体组成。这两种光子晶体均是由Al70Ga30As和Si介质柱构......

Topological photonics provides a new opportunity for the examination of novel topological properties of matter,in which ......

Weyl points,which are the degenerate points in three-dimensional momentum space,have been widely studied in the photonic......