光子学
拓扑(电路)
拓扑绝缘体
光子晶体
非线性系统
物理
光学
量子力学
数学
组合数学
作者
Eran Lustig,Mordechai Segev
出处
期刊:Advances in Optics and Photonics
[The Optical Society]
日期:2021-04-08
卷期号:13 (2): 426-426
被引量:88
摘要
Topological photonics is a new and rapidly growing field that deals with topological phases and topological insulators for light. Recently, the scope of these systems was expanded dramatically by incorporating non-spatial degrees of freedom. These synthetic dimensions can range from a discrete ladder of cavity modes or Bloch modes of an array of waveguides to a time-bin division (discrete time steps) in a pulsed system or even to parameters such as lattice constants. Combining spatial and synthetic dimensions offers the possibility to observe fundamental and exotic phenomena such as dynamics in four dimensions or higher, long-range interaction with disorder, high-dimensional nonlinear effects, and more. Here, we review the latest developments in using non-spatial dimensions as a means to enhance fundamental features of photonic topological systems, and we attempt to identify the next challenges.
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