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Optical Gaussons and dark solitons in directional couplers with spatiotemporal dispersion

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Abstract

This paper study the dynamics of optical solitons for nonlinear directional couplers. This coupler system is considered with the group velocity dispersion and the cross-phase modulation of two components along with the spatiotemporal dispersion coefficients. The constraint conditions for the existence of optical Gaussons and dark solitons are listed under the log law and Kerr law nonlinearities, repectively. Additionally, a couple of other solutions known as singular periodic and combined dark-singular solitons, fall out as a by-product of this scheme. This scheme however fails to retrieve bright soliton solution.

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Authors and Affiliations

  1. Department of Mathematics, National College of Business Administration and Economics, LBU DHA Campus, Lahore, Pakistan

    Farida Tahir

  2. Centre of Undergraduate Studies, University of the Punjab, Quaid-e-Azam Campus, Lahore, 54590, Pakistan

    Muhammad Younis

  3. Department of Mathematics, University of the Okara, Okara, Pakistan

    Hamood Ur Rehman

Authors
  1. Farida Tahir
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  2. Muhammad Younis
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  3. Hamood Ur Rehman
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Correspondence to Muhammad Younis.

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Tahir, F., Younis, M. & Rehman, H.U. Optical Gaussons and dark solitons in directional couplers with spatiotemporal dispersion. Opt Quant Electron 50, 422 (2018). https://doi.org/10.1007/s11082-017-1259-1

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  • DOI: https://doi.org/10.1007/s11082-017-1259-1

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