Chirped w-shaped optical solitons of Chen-Lee-Liu equation

被引：32

作者：

Triki, Houria ^{[1
]}

Zhou, Qin ^{[2
]}

Moshokoa, Seithuti P. ^{[3
]}

Ullah, Malik Zaka ^{[4
]}

Biswas, Anjan ^{[3
,4
]}

Belic, Milivoj ^{[5
]}

机构：

[1] Badji Mokhtar Univ, Fac Sci, Dept Phys, Radiat Phys Lab, POB 12, Annaba 23000, Algeria

[2] Wuhan Donghu Univ, Sch Elect & Informat Engn, Wuhan 430212, Hubei, Peoples R China

[3] Tshwane Univ Technol, Dept Math & Stat, ZA-0008 Pretoria, South Africa

[4] King Abdulaziz Univ, Fac Sci, Dept Math, Operator Theory & Applicat Res Grp, POB 80203, Jeddah 21589, Saudi Arabia

[5] Texas A&M Univ Qatar, Sci Program, POB 23874, Doha, Qatar

来源：

OPTIK | 2018年 / 155卷

基金：

美国国家科学基金会;

关键词：

Solitons; Chen-Lee-Liu equation; Self-steepening; WAVE SOLUTIONS;

D O I：

10.1016/j.ijleo.2017.10.070

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Propagating chirped soliton solutions for the Chen-Lee-Liu equation also called the derivative nonlinear Schrodinger II equation are investigated by application of the ansatz method. The model incorporating self-steepening term has many applications in nonlinear optical fibers and plasma physics. A nonlinear differential equation describing the evolution of the wave amplitude in the nonlinear media is derived by means of the coupled amplitude phase formulation. Special exact chirped soliton solution that takes the shape of "W" is determined for the first time in presence of all physical effects. It is shown that the nonlinear chirp associated with this type of solitons is crucially dependent on the wave intensity and related to self-steepening and group velocity dispersion parameters. Parametric conditions on system parameters for the existence of the chirped soliton structure are also presented. This soliton solution exists due to a balance among group velocity dispersion and self-steepening effect solely. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：208 / 212

页数：5

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