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dc.contributor.authorSaavedra, J. R. M.
dc.contributor.authorGarcía de Abajo, F. Javier
dc.contributor.otherUniversitat Politècnica de Catalunya. Institut de Ciències Fotòniques
dc.date.accessioned2018-05-07T13:28:26Z
dc.date.available2019-01-01T01:30:38Z
dc.date.issued2018-01-01
dc.identifier.citationSaavedra, J. R. M.; García de Abajo, F. J. Enhanced graphene nonlinear response through geometrical plasmon focusing. "Applied Physics Letters", 1 Gener 2018, vol. 112, núm. 061107.
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/2117/116981
dc.description.abstractWe propose a simple approach to couple light into graphene plasmons and focus these excitations at focal spots of a size determined by the plasmon wavelength, thus producing high optical field enhancement that boosts the nonlinear response of the material. More precisely, we consider a graphene structure in which incident light is coupled to its plasmons at the carbon edges and subsequently focused on a spot of size comparable to the plasmon wavelength. We observe large confinement of graphene plasmons, materializing in small, intense focal spots, in which the extraordinary nonlinear response of this material leads to relatively intense harmonic generation. This result shows the potential of plasmon focusing in suitably edged graphene structures to produce large field confinement and nonlinear response without involving elaborated nanostructuring.
dc.format.extent5 p.
dc.language.isoeng
dc.publisherAIP
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.lcshGraphene
dc.subject.othergrafè
dc.titleEnhanced graphene nonlinear response through geometrical plasmon focusing
dc.typeArticle
dc.subject.lemacGrafè
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://aip.scitation.org/doi/abs/10.1063/1.5017120
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
dc.relation.projectidMAT2017-88492-R
dc.relation.projectidSEV2015-0522
dc.relation.projectidGraphene Flagship 696656
dc.relation.projectidFP7- ICT-2013-613024-GRASP
dc.relation.projectidFI_B 00492-2015
dc.relation.projectid2014 SGR 1400
local.citation.publicationNameApplied Physics Letters
local.citation.volume112
local.citation.number061107


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Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain