Few-cycle optical solitary waves in cascaded-quadratic-cubic-quintic nonlinear media

被引：5
|
作者：
De, Kanchan Kumar [1 ]
Goyal, Amit [1 ]
Kumar, C. N. [1 ]
Sarma, Amarendra K. [2 ]
机构：
[1] Panjab Univ, Dept Phys, Chandigarh 160014, India
[2] Indian Inst Technol Guwahati, Dept Phys, Gauhati 781039, Assam, India
来源：
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2015年 / 20卷 / 03期
关键词：
Nonlinear Schrodinger equation; Ultrashort; Cascaded nonlinearity; Few-cycle; Soliton; VARYING ENVELOPE APPROXIMATION; PULSE-PROPAGATION; COMPRESSION; BREAKDOWN;
D O I：
10.1016/j.cnsns.2014.06.028
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We study the propagation of few-cycle optical solitary waves in a nonlinear media under the combined action of quadratic, cubic and quintic nonlinearities in a large phase-mismatched second harmonic (SHG) process. Exact bright and dark soliton solutions to the nonlinear evolution equation for cascaded quadratic media beyond the slowly varying envelope approximations is reported. The analytical solutions obtained are verified through numerical simulations. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：629 / 633
页数：5
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