Stochastic non-Hermitian skin effect

被引：21

作者：

Longhi, Stefano ^{[1
,2
]}

机构：

[1] Politecn Milan, Dipartimento Fis, Piazza L da Vinci 32, I-20133 Milan, Italy

[2] IFISC UIB CSIC, Inst Fis Interdisciplinar & Sistemas Complejos, E-07122 Palma De Mallorca, Spain

来源：

OPTICS LETTERS | 2020年 / 45卷 / 18期

关键词：

TRANSMISSION;

D O I：

10.1364/OL.403182

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A hallmark of photonic transport in non-Hermitian lattices with asymmetric hopping is the robust unidirectional flow of light, which is responsible for important phenomena such as the non-Hermitian skin effect. Here we show that the same effect can be induced by stochastic fluctuations in lattices that maintain a symmetric hopping on average. We illustrate such a fluctuation-induced non-Hermitian transport by discussing stochastic funneling of light, in which light is pushed toward an interface by the stochastic-induced skin effect. (C) 2020 Optical Society of America

引用

页码：5250 / 5253

页数：4

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