Interactions of solitons, dromion-like structures and butterfly-shaped pulses for variable coefficient nonlinear Schrodinger equation

被引：23
|
作者：
Yu, Weitian [1 ]
Yang, Chunyu [1 ]
Liu, Mengli [1 ]
Zhang, Yujia [1 ]
Liu, Wenjun [1 ,2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Sci, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
来源：
OPTIK | 2018年 / 159卷
基金：
中国国家自然科学基金;
关键词：
Solitons; Nonlinear Schrodinger equation; Analytic solution; Hirota method; DISPERSIVE OPTICAL SOLITONS; NONAUTONOMOUS SOLITONS; VARYING DISPERSION; CUBIC NONLINEARITY; HIROTA EQUATION; DARK SOLITONS; FIBER LASERS; SYSTEMS; MODEL; GAIN;
D O I：
10.1016/j.ijleo.2018.01.036
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Investigation on interactions Of various types of solitons plays an important role in the analysis of various physical mechanisms. In this paper, analytic two- and three-soliton solutions for the variable coefficient nonlinear Schrodinger (vcNLS) equation are obtained with the help of the Hirota method. Through choosing the related parameters of solutions, we present various types of soliton interactions, and analyze the influence of corresponding parameters on soliton interactions. Periodic and oscillatory interactions between parabolic solitons are observed firstly. The method to control the butterfly-shaped pulse interaction is provided. Those results have guiding effect on controlling the interaction of solitons in nonlinear optics and Bose-Einstein condensation. (C) 2018 Elsevier GmbH. All rights reserved.
引用
收藏
页码：21 / 30
页数：10
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