Unidirectional transmission in photonic-crystal gratings at beam-type illumination

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage22298en_US
dc.citation.issueNumber21en_US
dc.citation.spage22283en_US
dc.citation.volumeNumber18en_US
dc.contributor.authorCakmak, A.O.en_US
dc.contributor.authorColak, E.en_US
dc.contributor.authorSerebryannikov, A.E.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2016-02-08T09:56:34Z
dc.date.available2016-02-08T09:56:34Z
dc.date.issued2010en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractUnidirectional transmission is studied theoretically and experimentally for the gratings with one-side corrugations (non-symmetric gratings), which are based on two-dimensional photonic crystals composed of alumina rods. The unidirectional transmission appears at a fixed angle of incidence as a combined effect of the peculiar dispersion features of the photonic crystal and the properly designed corrugations. It is shown that the basic unidirectional transmission characteristics, which are observed at a plane-wave illumination, are preserved at Gaussian-beam and horn antenna illuminations. The main attention is paid to the single-beam unidirectional regime, which is associated with the strong directional selectivity arising due to the first negative diffraction order. An additional degree of freedom for controlling the transmission of the electromagnetic waves is obtained by making use of the asymmetric corrugations at the photonic crystal interface. © 2010 Optical Society of America.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:56:34Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2010en
dc.identifier.doi10.1364/OE.18.022283en_US
dc.identifier.issn10944087
dc.identifier.urihttp://hdl.handle.net/11693/22178
dc.language.isoEnglishen_US
dc.publisherOptical Society of American (OSA)en_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.18.022283en_US
dc.source.titleOptics Expressen_US
dc.subjectElectromagnetic wavesen_US
dc.subjectGaussian beamsen_US
dc.subjectA-planeen_US
dc.subjectAlumina rodsen_US
dc.subjectCombined effecten_US
dc.subjectDegree of freedomen_US
dc.subjectDiffraction ordersen_US
dc.subjectDirectional selectivityen_US
dc.subjectFixed anglesen_US
dc.subjectPhotonic crystal interfacesen_US
dc.subjectSingle-beamen_US
dc.subjectTransmission characteristicsen_US
dc.subjectTwo-dimensional photonic crystalsen_US
dc.subjectPhotonic crystalsen_US
dc.subjectalgorithmen_US
dc.subjectarticleen_US
dc.subjectcomputer simulationen_US
dc.subjectcrystallizationen_US
dc.subjectelectronen_US
dc.subjectequipment designen_US
dc.subjectnormal distributionen_US
dc.subjectopticsen_US
dc.subjectphotonen_US
dc.subjectradiationen_US
dc.subjectAlgorithmsen_US
dc.subjectComputer Simulationen_US
dc.subjectCrystallizationen_US
dc.subjectElectronsen_US
dc.subjectEquipment Designen_US
dc.subjectNormal Distributionen_US
dc.subjectOptics and Photonicsen_US
dc.subjectPhotonsen_US
dc.subjectRadiationen_US
dc.titleUnidirectional transmission in photonic-crystal gratings at beam-type illuminationen_US
dc.typeArticleen_US

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