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New optical soliton solutions for the variable coefficients nonlinear Schrödinger equation

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Abstract

This paper is devoted to seek new optical soliton solutions of nonlinear Schrödinger equation (NLSE) with time-dependent coefficients which describes the dispersion decreasing fiber. To achieve optical soliton solutions of NLSE, the basic idea of homogenous balance approach has been used to propose Bernoulli \((G'/G)\)-expansion method, where \(G =G(\zeta )\) satisfies Bernoulli equation, which is easier to solve than previous studies. By applying some transformations and using this method, some periodic wave, bright and dark soliton solutions are successfully obtained. Moreover, 3D surfaces, standard deviation line plots and contour maps graphs of the obtained results under effect of different values of coefficients are illustrated to have acceptable image of dynamic structures and to find the relation between the parameters and wave behaviors.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (11901111, 12171232); National Statistical Science Research Project of China (2021LY014); Jiangsu Postdoctoral Research Funding Program (2021K359C).

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Correspondence to Najva Aminakbari.

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Gu, Y., Aminakbari, N. New optical soliton solutions for the variable coefficients nonlinear Schrödinger equation. Opt Quant Electron 54, 255 (2022). https://doi.org/10.1007/s11082-022-03645-4

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  • DOI: https://doi.org/10.1007/s11082-022-03645-4

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