典型文献
Topological rainbow trapping based on non-Hermitian twisted piecing photonic crystals
文献摘要：
Topological rainbow trapping,which can separate and trap different frequencies of topological states into differ-ent positions,plays a key role in topological photonic devices.However,few schemes have been proposed to realize topological rainbow trapping effects in lossy photonic crystal systems,which has restricted their practical applications,since loss is ubiquitous in nanophotonic devices.Here,we propose a method to realize a topological rainbow based on non-Hermitian twisted piecing photonic crystals.Different frequencies of topological photonic states are separated and trapped in different positions without overlap in the lossy photonic crystals.Moreover,the frequencies of interface states can be modulated by loss,and a topological rainbow can also be achieved in both TE and TM modes.This work brings an effective method to realize robust nanophotonic multiwavelength devices in non-Hermitian systems.
文献关键词：
中图分类号：
作者姓名：
WEN ZHAO;YANJI ZHENG;CUICUI LU
作者机构：
Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurements of Ministry of Education,Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems,School of Physics,Beijing Institute of Technology,Beijing 100081,China
文献出处：
引用格式：
[1]WEN ZHAO;YANJI ZHENG;CUICUI LU-.Topological rainbow trapping based on non-Hermitian twisted piecing photonic crystals)[J].光子学研究（英文）,2022(12):2728-2733
A类：
piecing,multiwavelength
B类：
Topological,rainbow,trapping,Hermitian,twisted,crystals,which,can,different,frequencies,topological,states,into,positions,plays,key,role,devices,However,few,schemes,have,been,proposed,realize,effects,lossy,systems,has,restricted,their,practical,applications,since,ubiquitous,nanophotonic,Here,method,Different,are,separated,trapped,without,overlap,Moreover,interface,modulated,by,also,achieved,both,TE,TM,modes,This,work,brings,effective,robust
AB值：
0.425103
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