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Self-frequency shift effect for chirped self-similar solitons in a tapered graded-indexed waveguide

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dc.contributor.authorTriki, H.
dc.contributor.authorZhou, Q.
dc.contributor.authorXu, S. -L.
dc.contributor.authorAlzahrani, A. K.
dc.contributor.authorBiswas, A.
dc.date.accessioned2024-11-25T17:09:00Z
dc.date.available2024-11-25T17:09:00Z
dc.date.issued2020
dc.description.abstract© 2020 Elsevier B.V.This work studies the transmission dynamics of self-similar optical beams through an inhomogeneous tapered graded-index waveguide under diffraction and nonlinearity management as well as self-frequency shift arising from stimulated Raman scattering (SRS). A similarity transformation connecting with the constant-coefficient higher-order nonlinear Schrö dinger's equation (HNLSE) is employed to construct new self-similar solitons for wave field. We demonstrate that the self-frequency shift term alone turns the self-similar pulses to be nonlinear chirped. The results indicate that the nonlinear chirp related to the self-similar localized waves is directly proportional to the intensity of the optical beam. The necessary and sufficient conditions on tapered graded-index nonlinear waveguide parameters for such nonlinearly chirped self-similar localized waves exist in this model are suggested. The dynamical behaviors of those chirped optical similaritons are also investigated in a periodically distributed waveguide as well as a diffraction decreasing waveguide.
dc.identifier.citationSelf-frequency shift effect for chirped self-similar solitons in a tapered graded-indexed waveguide / Triki, H. [et al.] // Optics Communications. - 2020. - 468. - 10.1016/j.optcom.2020.125800
dc.identifier.doi10.1016/j.optcom.2020.125800
dc.identifier.urihttps://www.doi.org/10.1016/j.optcom.2020.125800
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85081980601&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000531736600007
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20424
dc.relation.ispartofOptics Communications
dc.titleSelf-frequency shift effect for chirped self-similar solitons in a tapered graded-indexed waveguide
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume468
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