Abstract
In this paper, a variable-coefficient nonlinear Schrödinger equation that describes the optical soliton propagation in dispersion management fiber systems is studied. Two- and three-soliton solutions are obtained by using the Hirota bilinear method. Based on those solutions, the effects of related parameters on optical soliton propagation are discussed. By choosing different values of the third-order dispersion, the amplification of optical solitons can be realized. In addition, the interactions among the solitons can be reduced by setting a proper value of the group velocity dispersion. The results of this paper may be helpful to design optical amplifiers or to improve the quality of optical communications.
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Acknowledgements
This work has been supported by the National Natural Science Foundation of China (11905009,11875008,12075034); Beijing Youth Top-notch Talent Support Program (2017000026833ZK08); Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications (IPOC2019ZZ01).
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Wang, L., Luan, Z., Zhou, Q. et al. Effects of dispersion terms on optical soliton propagation in a lossy fiber system. Nonlinear Dyn 104, 629–637 (2021). https://doi.org/10.1007/s11071-021-06283-9
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DOI: https://doi.org/10.1007/s11071-021-06283-9