Stable surface solitons in truncated complex potentials

被引：20

作者：

He, Yingji ^{[1
]}

Mihalache, Dumitru ^{[2
]}

Zhu, Xing ^{[3
]}

Guo, Lina ^{[1
]}

Kartashov, Yaroslav V. ^{[4
]}

机构：

[1] Guangdong Polytech Normal Univ, Sch Elect & Informat, Guangzhou 510665, Guangdong, Peoples R China

[2] Horia Hulubei Natl Inst Phys & Nucl Engn, Magurele 077125, Romania

[3] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

[4] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia

来源：

OPTICS LETTERS | 2012年 / 37卷 / 13期

基金：

中国国家自然科学基金;

关键词：

PERIODIC STRUCTURES; OPTICS; GAIN;

D O I：

10.1364/OL.37.002526

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that surface solitons in the one-dimensional nonlinear Schrodinger equation with truncated complex periodic potential can be stabilized by linear homogeneous losses, which are necessary to balance gain in the near-surface channel arising from the imaginary part of potential. Such solitons become stable attractors when the strength of homogeneous losses acquires values from a limited interval and they exist in focusing and defocusing media. The domains of stability of the surface solitons shrink with an increase in the amplitude of the imaginary part of complex potential. (C) 2012 Optical Society of America

引用

页码：2526 / 2528

页数：3

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