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Self-collimated beams in 2D complex periodic lattices from P- to PT-symmetry

dc.contributor.authorAhmed Waseem, Waqas Waseem
dc.contributor.authorBotey Cumella, Muriel
dc.contributor.authorHerrero Simon, Ramon
dc.contributor.authorStaliunas, Kestutis
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.date.accessioned2018-04-27T12:36:30Z
dc.date.available2018-04-27T12:36:30Z
dc.date.issued2017
dc.identifier.citationAhmed, W., Botey, M., Herrero, R., Staliunas, K. Self-collimated beams in 2D complex periodic lattices from P- to PT-symmetry. A: International Congress on Engineered Material Platforms for Novel Wave Phenomena. "11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials), Marseille, France: 28-31 Aug 2017.". 2017, p. 4-6.
dc.identifier.urihttp://hdl.handle.net/2117/116796
dc.description.abstractWe analyze self-collimation in two-dimensional periodic complex lattices. We consider P-symmetric and PT-symmetric complex lattices with different geometries, where the periodic modulations of both refractive index and gain-loss are either in-phase, or dephased a quarter of wavelength of the modulation. The non-diffractive propagation of light beams is analytically predicted using coupled mode approach and further confirmed by numerical integration of a paraxial model.
dc.format.extent3 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshPhotonics
dc.subject.otherLattices
dc.subject.otherModulation
dc.subject.otherDiffraction
dc.subject.otherDispersion
dc.subject.otherCrystals
dc.subject.otherTwo dimensional displays
dc.subject.otherRefractive index
dc.titleSelf-collimated beams in 2D complex periodic lattices from P- to PT-symmetry
dc.typeConference report
dc.subject.lemacFotònica
dc.contributor.groupUniversitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
dc.identifier.doi10.1109/MetaMaterials.2017.8107837
dc.relation.publisherversionhttp://ieeexplore.ieee.org/document/8107837/
dc.rights.accessOpen Access
local.identifier.drac21991654
dc.description.versionPostprint (published version)
local.citation.authorAhmed, W.; Botey, M.; Herrero, R.; Staliunas, K.
local.citation.contributorInternational Congress on Engineered Material Platforms for Novel Wave Phenomena
local.citation.publicationName11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials), Marseille, France: 28-31 Aug 2017.
local.citation.startingPage4
local.citation.endingPage6


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