High-order effect on the transmission of two optical solitons

doi:10.1088/1674-1056/aceeec

Abstract For optical solitons with the pulse width in the subpicosecond and femtosecond scales in optical fibers, a modified model containing higher-order effects such as third-order dispersion and third-order nonlinearity is needed. In this paper, in order to study the dynamic mechanism of femtosecond solitons in different media, we take the nonlinear Schrödinger equation considering higher-order effects as the theoretical model, discuss the propagation of solitons in single-mode fibers, and explore the third-order dispersion and third-order nonlinear effects on the generation of optical solitons. The exact solution of the theoretical model is obtained through the bilinear method, and the transmission characteristics of two solitons with exact soliton solutions in actual fiber systems are analyzed and studied. The influence of various conditions on the transmission and interaction of optical solitons is explored. Methods for optimizing the transmission characteristics of optical solitons in optical communication systems are suggested. The relevant conclusions of this paper have guiding significance for improving the quality of fiber optic communication and increasing bit rates.

Keywords: nonlinear optics optical communication system optical solitons solitons interaction

Received: 13 July 2023
Revised: 31 July 2023
Accepted manuscript online: 10 August 2023

PACS:	05.45.Yv	(Solitons)
	42.65.Tg	(Optical solitons; nonlinear guided waves)
	42.81.Dp	(Propagation, scattering, and losses; solitons)

Fund: Project supported by the Scientific Research Foundation of Weifang University of Science and Technology (Grant No. KJRC2022002), the Shandong Province Higher Educational Science and Technology Program (Grant No. J18KB108), and the Research start-up fees for doctoral degree holders and senior professional title holders with master's degrees of Binzhou University (Grant No. 2022Y12).

Corresponding Authors: Guoli Ma
E-mail: bz_mgl@163.com

Cite this article:

Houhui Yi(伊厚会), Yanli Yao(姚延立), Xin Zhang(张鑫), and Guoli Ma(马国利) High-order effect on the transmission of two optical solitons 2023 Chin. Phys. B 32 100509

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