• Stabilisation of higher-order solitons by the compensation of quintic nonlinearity, fourth-order dispersion and intrapulse Raman scattering in optical fibres

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    • Keywords


      Higher-order solitons; fourth-order dispersion; quintic nonlinearity; intrapulse Raman scattering.

    • Abstract


      The propagation of a higher-order soliton in an ideal single-mode optical fibre under higher-order dispersion and higher-order nonlinearity is much affected by quintic nonlinearity, fourth-order dispersion and intrapulse Raman scattering. We use a compact split-step Padé scheme to numerically study the stabilisation ofhigher-order solitons by these effects in optical fibres. Our results show that the relative amplitudes of these two dispersive sideband waves, which originate from the fourth-order dispersion decrease or even eliminated by the increasing values of quintic nonlinear coefficient, in the presence of the intrapulse Raman scattering, and the higher-order soliton returns almost to its original shape.

    • Author Affiliations



      1. Laboratoire de Physique des Rayonnements et de leurs Interactions avec la Matière (LPRIM), Département de Physique, Faculté des Sciences de la Matière, Université de Batna 1, Hadj Lakhdar, Allées 19 Mai, Route de Biskra, 05000 Batna, Algeria
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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