Dispersion management and optical soliton engineering in nonuniform inhomogeneous PT-symmetric nonlinear media

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorSRM TRP Engineering College-
Autor(es): dc.contributorEaswari Engineering College-
Autor(es): dc.contributorPachaiyappa's College for Men-
Autor(es): dc.contributorAsia-Pacific Center for Theoretical Physics (APCTP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorManikandan, K.-
Autor(es): dc.creatorSakkaravarthi, K.-
Autor(es): dc.creatorSabari, S.-
Data de aceite: dc.date.accessioned2025-08-21T16:06:20Z-
Data de disponibilização: dc.date.available2025-08-21T16:06:20Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-11-30-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.physd.2024.134388-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300177-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300177-
Descrição: dc.descriptionStudies on optical solitons in inhomogeneous media continue to attract immense interest. This work is devoted to exploring the evolution dynamics of solitons in inhomogeneous nonuniform optical media with parity-time reversal (PT)-symmetric rational potential and variable dispersion through explicit solutions. For this purpose, we consider a variable-coefficient nonlinear Schrödinger (vcNLS) equation containing PT-symmetric rational potential consisting of constant nonlinearity and longitudinally-varying dispersion and tapering effects. By implementing a similarity transformation, one of the efficient methods to analyze variable-coefficient (non-autonomous) nonlinear models, we construct explicit soliton (similariton) solutions and investigate deformations occurring in the characteristics of the optical solitons resulting from various dispersion modulations. Notably, we unravel the dynamical changes in the amplitude, width, shape, speed/velocity, and localization of solitons for periodic, localized well/barrier-type, and step-like dispersion modulations leading to periodic, localized, and single-step suppression or amplification, broadening and narrowing of width, and advancing or delaying the transitions during soliton propagation in inhomogeneous media. Besides, we execute a direct numerical experiment to validate the identified analytical findings. The observed results shall enhance the understanding of solitons in inhomogeneous PT-symmetric media. As future perspectives, the present analysis can be extended to study the deformation dynamics of several other nonlinear waves in inhomogeneous media and their experimental realizations in the context of optics and other fields.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionScience and Engineering Research Board-
Descrição: dc.descriptionCenter for Nonlinear and Complex Networks SRM TRP Engineering College, Tamil Nadu-
Descrição: dc.descriptionCenter for Research Easwari Engineering College, Tamil Nadu-
Descrição: dc.descriptionDepartment of Physics Pachaiyappa's College for Men, Tamil Nadu-
Descrição: dc.descriptionYoung Scientist Training Program Asia-Pacific Center for Theoretical Physics (APCTP), POSTECH Campus-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, SP-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, SP-
Descrição: dc.descriptionFAPESP: 2020/02185-1-
Descrição: dc.descriptionFAPESP: 2024/04174-8-
Descrição: dc.descriptionScience and Engineering Research Board: MTR/2023 /000921-
Idioma: dc.languageen-
Relação: dc.relationPhysica D: Nonlinear Phenomena-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDispersion management-
Palavras-chave: dc.subjectInhomogeneous optical media-
Palavras-chave: dc.subjectOptical soliton engineering-
Palavras-chave: dc.subjectVariable-coefficient nonlinear Schrödinger equation-
Palavras-chave: dc.subject[Formula presented]-symmetric rational potential-
Título: dc.titleDispersion management and optical soliton engineering in nonuniform inhomogeneous PT-symmetric nonlinear media-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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