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dc.contributor.authorAhmed Waseem, Waqas Waseem
dc.contributor.authorHerrero Simon, Ramon
dc.contributor.authorBotey Cumella, Muriel
dc.contributor.authorHayran, Zeki
dc.contributor.authorKurt, Hamza
dc.contributor.authorStaliunas, Kestutis
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.date.accessioned2018-04-16T12:12:33Z
dc.date.available2018-04-16T12:12:33Z
dc.date.issued2018-03-15
dc.identifier.citationAhmed, W. W., Herrero, R., Botey, M., Hayran, Z., Kurt, H., Staliunas, K. Directionality fields generated by a local Hilbert transform. "Physical review A", 15 Març 2018, vol. 97, núm. 3, p. 033824-1-033824-8.
dc.identifier.issn2469-9926
dc.identifier.urihttp://hdl.handle.net/2117/116325
dc.description©2018 American Physical Society
dc.description.abstractWe propose an approach based on a local Hilbert transform to design non-Hermitian potentials generating arbitrary vector fields of directionality, ¿p(¿r), with desired shapes and topologies. We derive a local Hilbert transform to systematically build such potentials by modifying background potentials (being either regular or random, extended or localized). We explore particular directionality fields, for instance in the form of a focus to create sinks for probe fields (which could help to increase absorption at the sink), or to generate vortices in the probe fields. Physically, the proposed directionality fields provide a flexible mechanism for dynamical shaping and precise control over probe fields leading to novel effects in wave dynamics.
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshPhotonics
dc.subject.lcshPhysical optics
dc.subject.otherLight-matter interaction
dc.subject.otherPhotonics
dc.subject.otherTransformation optics
dc.subject.otherComplex media
dc.titleDirectionality fields generated by a local Hilbert transform
dc.typeArticle
dc.subject.lemacFotònica
dc.subject.lemacÒptica física
dc.contributor.groupUniversitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
dc.identifier.doi10.1103/PhysRevA.97.033824
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.033824
dc.rights.accessOpen Access
local.identifier.drac22317441
dc.description.versionPostprint (author's final draft)
local.citation.authorAhmed, W. W.; Herrero, R.; Botey, M.; Hayran, Z.; Kurt, H.; Staliunas, K.
local.citation.publicationNamePhysical review A
local.citation.volume97
local.citation.number3
local.citation.startingPage033824-1
local.citation.endingPage033824-8


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