Broadband mixing of PT-symmetric and PT-broken phases in photonic heterostructures with a one-dimensional loss/gain bilayer

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage9en_US
dc.citation.issueNumber1en_US
dc.citation.spage1en_US
dc.citation.volumeNumber7en_US
dc.contributor.authorÖzgün E.en_US
dc.contributor.authorSerebryannikov, A. E.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorSoukoulis, C. M.en_US
dc.date.accessioned2018-04-12T11:07:35Z
dc.date.available2018-04-12T11:07:35Z
dc.date.issued2017en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractCombining loss and gain components in one photonic heterostructure opens a new route to efficient manipulation by radiation, transmission, absorption, and scattering of electromagnetic waves. Therefore, loss/gain structures enabling PT-symmetric and PT-broken phases for eigenvalues have extensively been studied in the last decade. In particular, translation from one phase to another, which occurs at the critical point in the two-channel structures with one-dimensional loss/gain components, is often associated with one-way transmission. In this report, broadband mixing of the PT-symmetric and PT-broken phases for eigenvalues is theoretically demonstrated in heterostructures with four channels obtained by combining a one-dimensional loss/gain bilayer and one or two thin polarization-converting components (PCCs). The broadband phase mixing in the four-channel case is expected to yield advanced transmission and absorption regimes. Various configurations are analyzed, which are distinguished in symmetry properties and polarization conversion regime of PCCs. The conditions necessary for phase mixing are discussed. The simplest two-component configurations with broadband mixing are found, as well as the more complex three-component configurations wherein symmetric and broken sets are not yet mixed and appear in the neighbouring frequency ranges. Peculiarities of eigenvalue behaviour are considered for different permittivity ranges of loss/gain medium, i.e., from epsilon-near-zero to highepsilon regime. © 2017 The Author(s).en_US
dc.identifier.doi10.1038/s41598-017-14982-wen_US
dc.identifier.eissn2045-2322en_US
dc.identifier.urihttp://hdl.handle.net/11693/37259
dc.language.isoEnglishen_US
dc.publisherNature Publishing Groupen_US
dc.relation.isversionofhttps://doi.org/10.1038/s41598-017-14982-wen_US
dc.source.titleScientific Reportsen_US
dc.subjectBehavioren_US
dc.subjectBilayer membraneen_US
dc.subjectElectromagnetic radiationen_US
dc.subjectPolarizationen_US
dc.subjectOptical materials and structuresen_US
dc.subjectQuantum physicsen_US
dc.titleBroadband mixing of PT-symmetric and PT-broken phases in photonic heterostructures with a one-dimensional loss/gain bilayeren_US
dc.typeArticleen_US

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Nanotechnology Research Center (NANOTAM)
Department of Electrical and Electronics Engineering
Department of Physics
Institute of Materials Science and Nanotechnology (UNAM)