Exact optical self-similar solutions in a tapered graded-index nonlinear-fiber amplifier with an external source

被引：27

作者：

He, Jun-Rong ^{[1
]}

Yi, Lin ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 320卷

基金：

中国国家自然科学基金;

关键词：

Self-similar solution; Optical pulse; Asymmetric twin-core fiber amplifier; SOLITARY WAVE SOLUTIONS; SCHRODINGER-EQUATION; QUASI-SOLITON; DISPERSION; PROPAGATION; PULSE;

D O I：

10.1016/j.optcom.2014.01.053

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the propagations of optical self-similar solutions in a tapered graded-index nonlinear-fiber amplifier with an external source through asymmetric twin-core fiber amplifiers. Various types of exact self-similar solutions, including the W-shaped and U-shaped solutions, trigonometric function solutions, and periodic wave solutions are found. The results show that these different types of self-similar optical structures can be generated and effectively controlled by modulating the amplitude of the source. The influences of nonlinear tunneling effects on the propagation of optical pulses are investigated as well. The obtained results may have potential applications in a tapered graded-index nonlinear-fiber amplifier with an external source. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：129 / 137

页数：9

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