Periodic and solitary waves generating in optical fiber amplifiers and fiber lasers with distributed parameters

被引：6

作者：

Kruglov, Vladimir I. ^{[1
]}

Triki, Houria ^{[2
]}

机构：

[1] Univ Queensland, Ctr Engn Quantum Syst, Sch Math & Phys, Brisbane, Qld 4072, Australia

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

来源：

PHYSICS LETTERS A | 2023年 / 461卷

关键词：

Periodic and solitary waves; Optical fiber amplifiers; Fiber lasers with distributed parameters; Self-similar dynamics of picosecond light; pulses; Numerical split-step Fourier method; Generalized nonlinear Schr?dinger equation; with varying coefficients; SELF-SIMILAR PROPAGATION; PARABOLIC PULSES; DISPERSION; SOLITONS; AMPLIFICATION; NONLINEARITY;

D O I：

10.1016/j.physleta.2023.128644

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study self-similar dynamics of picosecond light pulses generating in optical fiber amplifiers and fiber lasers with distributed parameters. A rich variety of periodic and solitary wave solutions are derived for the governing generalized nonlinear Schrodinger equation with varying coefficients in the presence of gain effect. The constraint on distributed optical fiber parameters for the existence of these wave solutions is presented. The dynamical behaviour of those self-similar waves is discussed in a periodic distributed amplification system. The stability of periodic and solitary wave solutions is also studied numerically by adding white noise. It is proved by using the numerical split-step Fourier method that the profile of these nonlinear self-similar waves remains unchanged during evolution.(c) 2023 Elsevier B.V. All rights reserved.

引用

页数：8

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