Cubic-quintic saturable nonlinearity effects on a light pulse strongly distorted by the fourth-order dispersion

被引：22

作者：

Atangana, J. ^{[1
]}

Essama, B. G. Onana ^{[2
]}

Mokhtari, B. ^{[3
]}

Kofane, T. C. ^{[4
]}

机构：

[1] Univ Yaounde I, Higher Teachers Training Coll Yaounde, Dept Phys, Yaounde, Cameroon

[2] Univ Yaounde I, Fac Sci, Dept Phys, Elect Lab, Yaounde, Cameroon

[3] Moulay Ismail Univ Meknes, Dept Phys, Fac Sci, Meknes, Morocco

[4] Univ Yaounde I, Dept Phys, Lab Mech, Fac Sci, Yaounde, Cameroon

来源：

JOURNAL OF MODERN OPTICS | 2013年 / 60卷 / 04期

关键词：

pulse stability; fourth-order dispersion; saturable nonlinearity; collective variables; GINZBURG-LANDAU EQUATION; HIGHER-ORDER DISPERSION; PHOTONIC CRYSTAL FIBER; SUPERCONTINUUM GENERATION; OPTICAL-FIBERS; SCHRODINGER-EQUATION; SOLITONS; PROPAGATION; WAVES; MEDIA;

D O I：

10.1080/09500340.2013.772665

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyze a useful process able to safeguard the fundamental soliton light pulse stability in a strongly perturbed environment by the fourth-order dispersion (FOD). This optical pulse propagation is described by the nonlinear Schrodinger equation (NLSE) with cubicquintic saturable nonlinearities. Some pulse parameters, called collective variables (CVs) such as amplitude, temporal position, width, chirp, frequency shift and constant phase are obtained analytically. Numerical evolution of CVs and their stability are studied under a typical example to verify our analysis.

引用

页码：292 / 300

页数：9

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