Thermally switchable, bifunctional, scalable, mid-infrared metasurfaces with VO2 grids capable of versatile polarization manipulation and asymmetric transmission

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buir.contributor.authorÖzbay, Ekmel
dc.citation.epage4605en_US
dc.citation.issueNumber12en_US
dc.citation.spage4594en_US
dc.citation.volumeNumber12en_US
dc.contributor.authorSerebryannikov, Andriy E.
dc.contributor.authorLakhtakia, Akhlesh
dc.contributor.authorÖzbay, Ekmel
dc.date.accessioned2023-02-28T07:34:31Z
dc.date.available2023-02-28T07:34:31Z
dc.date.issued2022-12-01
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractWe conceptualized three-array scalable bifunctional metasurfaces comprising only three thin strip grids and numerically determined their characteristics in the mid-infrared spectral regime for switchable operation scenarios involving polarization manipulation and related diodelike asymmetric transmission (AT) as one of two functionalities. A few or all of the grids were taken to be made of VO2, a bifunctionality-enabling phase-change material; there are no layers and/or meta-atoms comprising simultaneously both metal and VO2. For each proposed metasurface, two effective structures and, therefore, two different functionalities exist, corresponding to the metallic and insulating phases of VO2. The achieved scenarios of functionality switching significantly depend on the way in which VO2 is incorporated into the metasurface. Switchable bands of polarization manipulation are up to 40 THz wide. The AT band can be modulated when Fabry-Perot (anti-) resonances come into play. Besides, transmission regimes with the cross-polarized component insensitive to VO2 phase change are possible, as well as the ones with all co- and cross-polarized components having the same magnitude for both linear polarizations of the incident wave. © 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.en_US
dc.description.provenanceSubmitted by Cem Çağatay Akgün (cem.akgun@bilkent.edu.tr) on 2023-02-28T07:34:31Z No. of bitstreams: 1 Thermally switchable, bifunctional, scalable, mid-infrared metasurfaces with VO2 grids capable of versatile polarization manipulation and asymmetric transmission.pdf: 11481697 bytes, checksum: 84205a596a1106a3e6133612bc643a6a (MD5)en
dc.description.provenanceMade available in DSpace on 2023-02-28T07:34:31Z (GMT). No. of bitstreams: 1 Thermally switchable, bifunctional, scalable, mid-infrared metasurfaces with VO2 grids capable of versatile polarization manipulation and asymmetric transmission.pdf: 11481697 bytes, checksum: 84205a596a1106a3e6133612bc643a6a (MD5) Previous issue date: 2022-12-01en
dc.identifier.doi10.1364/OME.465468en_US
dc.identifier.issn21593930
dc.identifier.urihttp://hdl.handle.net/11693/111880
dc.language.isoEnglishen_US
dc.publisherOptica Publishing Group (formerly OSA)en_US
dc.relation.isversionofhttps://dx.doi.org/10.1364/OME.465468en_US
dc.source.titleOptical Materials Expressen_US
dc.subjectFabry-Perot interferometersen_US
dc.subjectInfrared devicesen_US
dc.subjectPhase change materialsen_US
dc.subjectPolarizationen_US
dc.subjectTransmissionsen_US
dc.titleThermally switchable, bifunctional, scalable, mid-infrared metasurfaces with VO2 grids capable of versatile polarization manipulation and asymmetric transmissionen_US
dc.typeArticleen_US

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