Optical solitons to the coupled cubic-quartic Sasa–Satsuma equation with Kerr law nonlinearity in birefringent fibers

被引：0
|
作者：
Li, Zhao [1 ,2 ]
Xie, Xinyu [1 ]
Jin, Changjiang [3 ]
机构：
[1] College of Computer Science, Chengdu University, Chengdu,610106, China
[2] Key Laboratory of Pattern Recognition and Intelligent Information Processing, Institutions of Higher Education of Sichuan Province, Chengdu University, 610106, China
[3] Chengdu Aeronautic Vocational and Technical College, Chengdu, Sichuan,610100, China
来源：
Optik | 2022年 / 269卷
关键词：
Birefringent fibres - Kerr law nonlinearity - Nonlinear ordinary differential equation - Optical soliton - Optical soliton solution - Sasa–satsumum equation - Soliton solutions - Travelling waves - Trial method of polynomial - Wave transformations;
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摘要：
This paper mainly studies the optical soliton solutions of the coupled cubic-quartic Sasa–Satsuma equation with Kerr law nonlinearity describing the propagation of femtosecond pulses in optical fibers. Firstly, using traveling wave transformation, the coupled cubic-quartic Sasa–Satsuma equation with Kerr law nonlinearity in birefringent fibers is simplified into the coupled nonlinear ordinary differential equations. Secondly, according to the trial method of polynomial of rank homogeneous equation, the optical soliton solutions of coupled cubic-quartic Sasa–Satsuma equation with Kerr law nonlinearity can be obtained. Finally, in order to explain the propagation of optical solitons, three-dimensional and two-dimensional diagrams of the obtained solutions are drawn. © 2022 Elsevier GmbH
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