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Photonic crystal molecules: tailoring the coupling strength and sign

hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorHADDADI, S.
hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorHAMEL, Philippe
hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorBEAUDOIN, G.
hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorSAGNES, Isabelle
hal.structure.identifierLaboratoire Charles Fabry / Naphel
dc.contributor.authorSAUVAN, Christophe
hal.structure.identifierlp2n-03,lp2n-13
dc.contributor.authorLALANNE, Philippe
hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorLEVENSON, Juan Ariel
hal.structure.identifierLaboratoire de photonique et de nanostructures [LPN]
dc.contributor.authorYACOMOTTI, Alejandro
dc.date.accessioned2023-05-12T10:19:51Z
dc.date.available2023-05-12T10:19:51Z
dc.date.created2014-05-14
dc.date.issued2014-05-08
dc.identifier.issn1094-4087
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181058
dc.description.abstractEnWe demonstrate a large tuning of the coupling strength in Photonic Crystal molecules without changing the inter-cavity distance. The key element for the design is the "photonic barrier engineering", where the "potential barrier" is formed by the air-holes in between the two cavities. This consists in changing the hole radius of the central row in the barrier. As a result we show, both numerically and experimentally, that the wavelength splitting in two evanescently-coupled Photonic Crystal L3 cavities (three holes missing in the ΓK direction of the underlying triangular lattice) can be continuously controlled up to 5× the initial value upon ∼ 30% of hole-size modification in the barrier. Moreover, the sign of the splitting can be reversed in such a way that the fundamental mode can be either the symmetric or the anti-symmetric one without altering neither the cavity geometry nor the inter-cavity distance. Coupling sign inversion is explained in the framework of a Fabry-Perot model with underlying propagating Bloch modes in coupled W1 waveguides.
dc.language.isoen
dc.publisherOptical Society of America - OSA Publishing
dc.title.enPhotonic crystal molecules: tailoring the coupling strength and sign
dc.typeArticle de revue
dc.identifier.doi10.1364/OE.22.012359
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.journalOptics Express
bordeaux.page12359-12368
bordeaux.volume22
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.issue10
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-00993238
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00993238v1
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