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Volume 22 (4) 2016, 239-243

Influence of Self-steepening and Higher Dispersion Effects on the Propagation Characteristics of Solitons in Optical Fibers

Do Thanh T. 1, Nguyen T.V. 1, Bui D.T. 1*, Cao Long V. 2

1 Faculty of Physics and Technology
Vinh University, Vietnam

2 Institute of Physics, University of Zielona Góra
A. Szafrana 4a, 65-516 Zielona Góra, Poland

*E-mail: thuanbd@vinhuni.edu.vn

Received:

Received: 08 December 2016; revised: 19 December 2016; accepted: 20 December 2016; published online: 31 December 2016

DOI:   10.12921/cmst.2016.0000063

Abstract:

In this paper we consider the influence of higher-order nonlinear effects like third-order dispersion, self-steepening effect on the propagation characteristics of solitons. By solving the higher-order nonlinear Schrödinger equation we show that the self-steepening effect can lead to the breakup of higher-order solitons through the phenomenon of soliton fission. This effect plays an essential role in several nonlinear phenomena, in particular in the so-called supercontinuum generation in optical fibers. Moreover, we can use third order dispersion to compress pulses as well as changing the frequency.

Key words:

self-steepening effect, soliton, supercontinuum generation, third order dispersion

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