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Инд. авторы:	Chekhovskoy I.S., Paasonen V.I., Shtyrina O.V., Fedoruk M.P.
Заглавие:	Numerical approaches to simulation of multi-core fibers
Библ. ссылка:	Chekhovskoy I.S., Paasonen V.I., Shtyrina O.V., Fedoruk M.P. Numerical approaches to simulation of multi-core fibers // Journal of Computational Physics. - 2017. - Vol.334. - P.31-44. - ISSN 0021-9991. - EISSN 1090-2716.
Внешние системы:	DOI: 10.1016/j.jcp.2016.12.056; РИНЦ: 29472857; SCOPUS: 2-s2.0-85008881255; WoS: 000395210500003;
Реферат:	eng: We propose generalizations of two numerical algorithms to solve the system of linearly coupled nonlinear Schrödinger equations (NLSEs) describing the propagation of light pulses in multi-core optical fibers. An iterative compact dissipative second-order accurate in space and fourth-order accurate in time scheme is the first numerical method. This compact scheme has strong stability due to inclusion of the additional dissipative term. The second algorithm is a generalization of the split-step Fourier method based on Padé approximation of the matrix exponential. We compare a computational efficiency of both algorithms and show that the compact scheme is more efficient in terms of performance for solving a large system of coupled NLSEs. We also present the parallel implementation of the numerical algorithms for shared memory systems using OpenMP. © 2016 Elsevier Inc.
Ключевые слова:	Nonlinear Schrödinger equation; Multi-core fibers; Nonlinear fiber optics; Split-step Fourier method; Compact finite-difference scheme; Padé approximant;
Издано:	2017
Физ. характеристика:	с.31-44
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