Unidirectional flow of discrete solitons in waveguide arrays

被引：22

作者：

Al Khawaja, U. ^{[1
]}

Sukhorukov, Andrey A. ^{[2
]}

机构：

[1] United Arab Emirates Univ, Dept Phys, Al Ain, U Arab Emirates

[2] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT, Australia

来源：

OPTICS LETTERS | 2015年 / 40卷 / 12期

关键词：

OPTICAL DIODE;

D O I：

10.1364/OL.40.002719

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a proposal for realizing a unidirectional flow of discrete solitons in optical waveguide arrays or coupled resonator optical waveguides. Our proposal is based on modulating the coupling coefficients between the waveguides by two reflectionless potentials with different depths and finite separation. For a single reflectionless potential, we demonstrate numerically the possibility of nonlinear switching with a critical nonlinearity strength at which sharp transition in the transport coefficients takes place. (C) 2015 Optical Society of America

引用

页码：2719 / 2722

页数：4

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