Fano resonances in THz metamaterials composed of continuous metallic wires and split ring resonators

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage26584en_US
dc.citation.issueNumber22en_US
dc.citation.spage26572en_US
dc.citation.volumeNumber22en_US
dc.contributor.authorLi, Z.en_US
dc.contributor.authorCakmakyapan, S.en_US
dc.contributor.authorButun, B.en_US
dc.contributor.authorDaskalaki, C.en_US
dc.contributor.authorTzortzakis, S.en_US
dc.contributor.authorYang, X.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2015-07-28T12:01:34Z
dc.date.available2015-07-28T12:01:34Z
dc.date.issued2014en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractWe demonstrate theoretically and experimentally that Fano resonances can be obtained in terahertz metamaterials that are composed of periodic continuous metallic wires dressed with periodic split ring resonators. An asymmetric Fano lineshape has been found in a narrow frequency range of the transmission curve. By using a transmission line combined with lumped element model, we are able to not only fit the transmission spectra of Fano resonance which is attributed to the coupling and interference between the transmission continuum of continuous metallic wires and the bright resonant mode of split ring resonators, but also reveal the capacitance change of the split ring resonators induced frequency shift of the Fano resonance. Therefore, the proposed theoretical model shows more capabilities than conventional coupled oscillator model in the design of Fano structures. The effective parameters of group refractive index of the Fano structure are retrieved, and a large group index more than 800 is obtained at the Fano resonance, which could be used for slow light devices. (C) 2014 Optical Society of Americaen_US
dc.description.provenanceMade available in DSpace on 2015-07-28T12:01:34Z (GMT). No. of bitstreams: 1 oe-22-22-26572.pdf: 3538170 bytes, checksum: ff917afcef3b0be3ab377b6732a38e9d (MD5)en
dc.identifier.doi10.1364/OE.22.026572en_US
dc.identifier.issn1094-4087
dc.identifier.urihttp://hdl.handle.net/11693/12455
dc.language.isoEnglishen_US
dc.publisherOptical Society of Americaen_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.22.026572en_US
dc.source.titleOptics Expressen_US
dc.subjectElectromagnetically Induced Transparencyen_US
dc.subjectPlasmonic Nanostructuresen_US
dc.subjectSymmetry-breakingen_US
dc.subjectClustersen_US
dc.subjectAnalogen_US
dc.subjectModesen_US
dc.subjectLighten_US
dc.subjectTransmissionen_US
dc.subjectNanocircuitsen_US
dc.subjectNanocavitiesen_US
dc.titleFano resonances in THz metamaterials composed of continuous metallic wires and split ring resonatorsen_US
dc.typeArticleen_US

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