Higher-order Dirac solitons in binary waveguide arrays

被引：14

作者：

Tran, Truong X. ^{[1
,2
]}

Duong, Dung C. ^{[1
]}

机构：

[1] Le Quy Don Univ, Dept Phys, Hanoi 10000, Vietnam

[2] Max Planck Inst Sci Light, D-91058 Erlangen, Germany

来源：

ANNALS OF PHYSICS | 2015年 / 361卷

关键词：

Binary waveguide array; Higher-order Dirac soliton; Kerr nonlinearity; Quantum-optical analogies; DISCRETE GAP SOLITONS; BREATHERS; STABILITY; DYNAMICS; EQUATION; ANALOG;

D O I：

10.1016/j.aop.2015.07.015

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study optical analogues of higher-order Dirac solitons (HODSs) in binary waveguide arrays. Like higher-order solitons obtained from the well-known nonlinear Schrodinger equation governing the pulse propagation in an optical fiber, these HODSs have amplitude profiles which are numerically shown to be periodic over large propagation distances. At the same time, HODSs possess some unique features. Firstly, the period of a HODS depends on its order parameter. Secondly, the discrete nature in binary waveguide arrays imposes the upper limit on the order parameter of HODSs. Thirdly, the order parameter of HODSs can vary continuously in a certain range. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：501 / 508

页数：8

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