Nonlinear tunnelling effect of combined Kuznetsov-Ma soliton in (3+1)-dimensional -symmetric inhomogeneous nonlinear couplers with gain and loss

被引：0

作者：

Chen, Yi-Xiang ^{[1
,2
]}

Jiang, Yun-Feng ^{[3
]}

Xu, Zhou-Xiang ^{[3
]}

Xu, Fang-Qian ^{[1
]}

机构：

[1] Zhejiang Univ Media & Commun, Sch Elect Informat, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Univ Media & Commun, Inst Digital Media & Commun Technol, Hangzhou 310018, Zhejiang, Peoples R China

[3] Zhejiang Univ, Inst Opt, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China

来源：

NONLINEAR DYNAMICS | 2015年 / 82卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

PT-symmetric nonlinear couplers; (3+1)-Dimensional coupled nonlinear Schrodinger equation; Combined Kuznetsov-Ma soliton; Nonlinear tunnelling; POWER-LAW NONLINEARITIES; OPTICAL SOLITONS; SCHRODINGER-EQUATION; BIREFRINGENT FIBERS; AKHMEDIEV BREATHER; LOCALIZED MODES; CONTROLLABILITY; SIMILARITONS; DISPERSION; SYSTEM;

D O I：

10.1007/s11071-015-2178-y

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A (3+1)-dimensional variable-coefficient coupled nonlinear Schrodinger equation in parity-time symmetric inhomogeneous nonlinear couplers with gain and loss is studied, and the -symmetric and -antisymmetric combined Kuznetsov-Ma soliton solutions are obtained via the Darboux transformation method. Nonlinear tunnelling effect of controllable combined Kuznetsov-Ma solitons such as their restraint, maintenance and postpone are discussed when they pass through the dispersion/diffraction barrier and well.

引用

页码：589 / 597

页数：9

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