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Waveguiding effect on optical spatial solitons in centrosymmetric photorefractive materials

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Abstract

Photorefractive solitons have been studied in a waveguide that is made of centrosymmetric material. The dynamical equations pertaining to characteristics of solitons have been derived under paraxial ray and Wentzel–Kramers–Brillouin (WKB) approximations. It has been predicted that the planar waveguide structure enhances self-focusing effect and reduces the threshold power requirement for soliton formation. The waveguide that is embedded in the photorefractive crystal leads to the trapping of low power solitary wave which otherwise would not have formed spatial solitons at this low power in this material. The minimum requirement of power for self-trapping in the material decreases with the increase in the value of waveguide co-efficient. The existence of bistable states has also been predicted.

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Authors and Affiliations

  1. Department of Physics, Birsa College, Khunti, 835210, Jharkhand, India

    Binay P. Akhouri

  2. Department of Applied Sciences and Humanities, SVKMS’ NMIMS Deemed University, Shirpur, 425405, Maharashtra, India

    Pradeep K. Gupta

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  1. Binay P. Akhouri
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  2. Pradeep K. Gupta
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Correspondence to Binay P. Akhouri.

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Akhouri, B.P., Gupta, P.K. Waveguiding effect on optical spatial solitons in centrosymmetric photorefractive materials. J Opt 46, 281–286 (2017). https://doi.org/10.1007/s12596-016-0372-z

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  • DOI: https://doi.org/10.1007/s12596-016-0372-z

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