Observation of enhanced generation of a fifth harmonic from halide perovskite nonlocal metasurfaces

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buir.contributor.authorMasharin, Mikhail A.
buir.contributor.orcidMasharin, Mikhail A.|0000-0003-0687-8706
dc.citation.epage1375en_US
dc.citation.issueNumber5
dc.citation.spage1367
dc.citation.volumeNumber10
dc.contributor.authorTonkaev, P.
dc.contributor.authorKoshelev, K.
dc.contributor.authorMasharin, Mikhail A.
dc.contributor.authorMakarov, S. V.
dc.contributor.authorKruk, S. S.
dc.contributor.authorKivshar, Y.
dc.date.accessioned2024-03-21T06:16:01Z
dc.date.available2024-03-21T06:16:01Z
dc.date.issued2023-03-11
dc.departmentDepartment of Electrical and Electronics Engineering
dc.departmentDepartment of Physics
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)
dc.description.abstractLead halide perovskites are widely employed in photonic and light-emitting devices because of their rich optoelectronic properties and simplicity of fabrication based on low-cost flexible technologies. Perovskite bulk crystals and films demonstrate outstanding nonlinear characteristics with large optical nonlinearities exceeding the nonlinear susceptibilities of conventional semiconductor materials by several orders of magnitude. One of the promising approaches for further enhancement of the nonlinear response of perovskites as dielectric photonic materials is to employ optical resonances of structured surfaces, or metasurfaces. Nonlocal metasurfaces supporting lattice modes over many unit cells provide a new approach to both spatial and spectral control of light fields, and they may deliver improved characteristics of nonlinear effects for a wide range of applications associated with broadband excitation of multiple high-quality resonances. Here we report on the first observation of enhanced fifth harmonic generation in MAPbBr3 halide perovskite nonlocal metasurfaces driven by high-quality resonances at the generated harmonic wavelength in the visible frequency range. The demonstrated enhancement is about 2 orders of magnitude compared to an unpatterned MAPbBr3 film of the same thickness, and is broadband by virtue of the excitation of multiple resonant modes in the highly nonlocal regime. Our work suggests a novel approach for achieving parametric processes in resonant dielectric structures with high efficiency.
dc.embargo.release2024-03-11
dc.identifier.doi10.1021/acsphotonics.2c02006
dc.identifier.eissn2330-4022
dc.identifier.urihttps://hdl.handle.net/11693/115028
dc.language.isoen_US
dc.publisherAmerican Chemical Society
dc.relation.isversionofhttps://dx.doi.org/10.1021/acsphotonics.2c02006
dc.rightsCC BY-NC-ND 4.0 Deed (Attribution-NonCommercial-NoDerivs 4.0 International)
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.source.titleACS Photonics
dc.subjectHalide perovskites
dc.subjectNonlocal metasurfaces
dc.subjectHigh-harmonic generation
dc.subjectBound state in the continuum
dc.subjectGuided-mode resonance
dc.titleObservation of enhanced generation of a fifth harmonic from halide perovskite nonlocal metasurfaces
dc.typeArticle

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Department of Electrical and Electronics Engineering
Department of Physics
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