Enhanced generation of angle correlated photon-pairs in nonlinear metasurfaces

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dc.contributor.authorMazzanti, Andrea
dc.contributor.authorParry, Matthew
dc.contributor.authorPoddubnyy, Alexander
dc.contributor.authorDella Valle, Giuseppe
dc.contributor.authorNeshev, Dragomir
dc.contributor.authorSukhorukov, Andrey
dc.date.accessioned2023-08-01T01:11:06Z
dc.date.available2023-08-01T01:11:06Z
dc.date.issued2022
dc.date.updated2022-06-05T08:21:59Z
dc.description.abstractWe reveal that strongly enhanced generation of photon pairs with narrow frequency spectra and sharp angular correlations can be realised through spontaneous parametric down-conversion in metasurfaces. This is facilitated by creating meta-gratings through nano-structuring of nonlinear films of sub-wavelength thickness to support the extended bound state in the continuum resonances, associated with ultra-high Q-factors, at the biphoton wavelengths across a wide range of emission angles. Such spectral features of photons can be beneficial for various applications, including quantum imaging. Our modelling demonstrates a pronounced enhancement, compared to unpatterned films, of the total photon-pair generation rate normalized to the pump power reaching 1.75 kHz mW-1, which is robust with respect to the angular bandwidth of the pump, supporting the feasibility of future experimental realisations.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn1367-2630en_AU
dc.identifier.urihttp://hdl.handle.net/1885/294687
dc.language.isoen_AUen_AU
dc.provenanceOriginal content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence.en_AU
dc.publisherInstitute of Physics Publishingen_AU
dc.rights© 2022 The authorsen_AU
dc.rights.licenseCreative Commons Attribution licenceen_AU
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_AU
dc.sourceNew Journal of Physicsen_AU
dc.subjectnonlinear metasurfaceen_AU
dc.subjectentangled photonsen_AU
dc.subjectquantum correlationsen_AU
dc.subjectbound state in the continuumen_AU
dc.subjectspontaneous parametric downconversionen_AU
dc.titleEnhanced generation of angle correlated photon-pairs in nonlinear metasurfacesen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue3en_AU
local.contributor.affiliationMazzanti, Andrea, College of Science, ANUen_AU
local.contributor.affiliationParry, Matthew, College of Science, ANUen_AU
local.contributor.affiliationPoddubnyy, Alexander, College of Science, ANUen_AU
local.contributor.affiliationDella Valle, Giuseppe, Politecnico di Milano,en_AU
local.contributor.affiliationNeshev, Dragomir, College of Science, ANUen_AU
local.contributor.affiliationSukhorukov, Andrey, College of Science, ANUen_AU
local.contributor.authoruidMazzanti, Andrea, u1087574en_AU
local.contributor.authoruidParry, Matthew, u6070977en_AU
local.contributor.authoruidPoddubnyy, Alexander, u1013135en_AU
local.contributor.authoruidNeshev, Dragomir, u4049045en_AU
local.contributor.authoruidSukhorukov, Andrey, u9810122en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor510203 - Nonlinear optics and spectroscopyen_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationa383154xPUB27495en_AU
local.identifier.citationvolume24en_AU
local.identifier.doi10.1088/1367-2630/ac599een_AU
local.identifier.scopusID2-s2.0-85128113836
local.publisher.urlhttps://iopscience.iop.org/en_AU
local.type.statusPublished Versionen_AU

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