Coupling enhancement of split ring resonators on graphene

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage355en_US
dc.citation.spage351en_US
dc.citation.volumeNumber80en_US
dc.contributor.authorCakmakyapan, S.en_US
dc.contributor.authorCaglayan, H.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2015-07-28T12:01:33Z
dc.date.available2015-07-28T12:01:33Z
dc.date.issued2014-12en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractMetallic split ring resonator (SRR) structures are used in nanophotonics applications in order to localize and enhance incident electromagnetic field. Electrically controllable sheet carrier concentration of graphene provides a platform where the resonance of the SRRs fabricated on graphene can be tuned. The reflectivity spectra of SRR arrays shift by applying gate voltage, which modulates the sheet carrier concentration, and thereby the optical conductivity of monolayer graphene. We experimentally and numerically demonstrated that the tuning range can be increased by tailoring the effective mode area of the SRR and enhancing the interaction with graphene. The tuning capability is one of the important features of graphene based tunable sensors, optical switches, and modulator applications. © 2014 Elsevier Ltd. All rights reserved.en_US
dc.description.provenanceMade available in DSpace on 2015-07-28T12:01:33Z (GMT). No. of bitstreams: 1 Cakmakyapan_Carbon.pdf: 1025997 bytes, checksum: 01cf165b17c053ce10f4da438185c89f (MD5)en
dc.identifier.doi10.1016/j.carbon.2014.08.073en_US
dc.identifier.issn0008-6223
dc.identifier.urihttp://hdl.handle.net/11693/12451
dc.language.isoEnglishen_US
dc.publisherPergamon Pressen_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.carbon.2014.08.073en_US
dc.source.titleCarbonen_US
dc.subjectCarrier concentrationen_US
dc.subjectElectromagnetic fieldsen_US
dc.subjectGrapheneen_US
dc.subjectOptical conductivityen_US
dc.subjectOptical resonatorsen_US
dc.subjectOptical switchesen_US
dc.subjectResonatorsen_US
dc.subjectTuning effective mode areasen_US
dc.subjectImportant featuresen_US
dc.subjectReflectivity spectraen_US
dc.subjectSheet carrier concentrationen_US
dc.subjectSplit ring resonatoren_US
dc.subjectTunable sensorsen_US
dc.subjectTuning capabilityen_US
dc.titleCoupling enhancement of split ring resonators on grapheneen_US
dc.typeArticleen_US

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