Chirped Optical Solitons in Birefringent Fibers with Parabolic Law Nonlinearity and Four-Wave Mixing

• Authors: H. Triki , A. Biswas , D. Milović , M. Belić
• Languages of publication: EN

Abstracts

EN

We investigate exact soliton solutions with nonlinear chirp for the coupled nonlinear Schrödinger equations with cubic-quintic nonlinearity, self-steepening, self-frequency shift and four-wave mixing. The model governs the femtosecond pulse propagation in birefringent fibers. We introduce a new ansatz to obtain the nonlinear chirp associated with the propagating soliton pulses. New chirped soliton pair solutions with non-trivial chirping are found for the coupled nonlinear equations, illustrating the potentially rich set of solitonic pulse solutions of the model with higher-order effects. The solutions comprise two types of bright-W-shaped and bright-bright soliton pairs as well as kink and anti-kink pulses. Interestingly, the bright wave in the bright-W shaped soliton pairs possesses a platform underneath it, originating from the self-steepening and self-frequency shift effects. The corresponding chirp associated with each of these optical soliton pairs is also determined. It is shown that the nonlinear chirp is related to the pair intensity and determined by self-frequency shift and pause self-steepening. Parametric conditions for the existence and uniqueness of chirped solutions are given.

Keywords

EN

42.81.Dp; 42.65.Tg

Discipline

• 42.81.Dp: Propagation, scattering, and losses; solitons
• 42.65.Tg: Optical solitons; nonlinear guided waves(for solitons in fibers, see 42.81.Dp)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 3
• Pages: 718-726

Dates

published

2016-09

received

2016-03-23

Contributors

author

H. Triki

• Radiation Physics Laboratory, Department of Physics, Faculty of Sciences, Badji Mokhtar University, P.O. Box 12, 23000 Annaba, Algeria

author

A. Biswas

• Department of Mathematical Science, Delaware State University, Dover, DE 19901-2277, USA
• Faculty of Science, Department of Mathematics, King Abdulaziz University, Jeddah-21589, Saudi Arabia

author

D. Milović

• Faculty of Electronic Engineering, Department of Telecommunications, University of Nis, Aleksandra Medvedeva 14, 18000 Nis, Serbia

author

M. Belić

• Science Program, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar

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Identifiers

DOI

10.12693/APhysPolA.130.718