Fibers, Volume 9, Issue 1 (January 2021) – 7 articles
Cover Story (view full-size image): The figure shows a comparison between the experimental data and computing results of high-energy single-pulse propagation in optical fiber. The paper discusses the novel approaches to the numerical integration of the coupled nonlinear Schrödinger equations system for few-mode wave propagation. The mathematical model assumes the propagation of up to nine modes of light in an optical fiber. The suggested approach has a higher resolution—up to three times or more in comparison with the split-step Fourier method—since there is no need to produce direct and inverse Fourier transforms at each integration step. The key advantage of the developed approach is the calculation of any number of modes propagated in the fiber. View this paper.
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