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Title

W-shaped chirp free and chirped bright, dark solitons for perturbed nonlinear Schrödinger equation in nonlinear optical fibers.

Authors

Muniyappan, Annamalai; Sharmila, Muthuvel; Priya, Elumalai Kaviya; Sumithra, Sekar; Biswas, Anjan; Yıldırım, Yakup; Aphane, Maggie; Moshokoa, Seithuti P.; Alshehri, Hashim M.

Abstract

In the present investigation, we employed the Jacobi elliptic function (JEF) method to invoke the perturbed nonlinear Schrödinger equation with self-steepening (SS), self-phase modulation (SPM), and group velocity dispersion (GVD), which govern the propagation of solitonic pulses in optical fibres. The proposed algorithm proves the existence of the family of solitons in optical fibers. Consequently, chirped and chirp free W-shaped bright, dark soliton solutions are obtained from dn(!), cn(!) and sn(!) functions. The final results are displayed in three-dimensional plots with specific physical values of GVD, SPM and SS for an optical fiber.

Subjects

NONLINEAR Schrodinger equation; OPTICAL fibers; GROUP velocity dispersion; SOLITONS; OPTICAL solitons; ELLIPTIC functions; SCHRODINGER equation; FEMTOSECOND pulses

Publication

Estonian Journal of Earth Sciences, 2023, Vol 72, Issue 2, p128

ISSN

1736-4728

Publication type

Academic Journal

DOI

10.3176/proc.2023.2.04

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