Dark solitary pulses and moving fronts in an optical medium with the higher-order dispersive and nonlinear effects

Houria Triki, Yunzhou Sun, Qin Zhou, Anjan Biswas, Yakup Yıldırım and Hashim M. Alshehri

Chaos, Solitons & Fractals, 2022, vol. 164, issue C

Abstract: We study the propagation dynamics of extremely short light pulses in an optical fiber medium exhibiting a plethora of higher-order dispersive and nonlinear effects of different nature. The wave propagation in such nonlinear media is described by an extended nonlinear Schrö dinger equation incorporating both even and odd higher-order terms. We introduce an appropriate nonlinear equation which enables us to achieve analytical shape-preserved and periodic wave solutions for the model. A new dark solitary wave is identified for the first time in the presence of all physical processes. In addition, we show that moving fronts or optical shock-type soliton solutions exist for the considered model. The periodic wave solutions are also found together with the parametric conditions for their existence. Results in this study may be useful for experimental realization of shape-preserved pulses in optical fibers and further understanding of their optical transmission properties.

Keywords: Optical fibers; Soliton; Higher-order terms (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:164:y:2022:i:c:s0960077922008037

DOI: 10.1016/j.chaos.2022.112622

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