Launching of hyperbolic phonon-polaritons in h-BN slabs by resonant metal plasmonic antennas

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dc.contributor.authorPons-Valencia, Pablocs
dc.contributor.authorAlfaro-Mozaz, Francisco Javiercs
dc.contributor.authorWiecha, Matthias Marcocs
dc.contributor.authorBiolek, Vladimírcs
dc.contributor.authorDolado, Ignaciocs
dc.contributor.authorVelez, Saulcs
dc.contributor.authorLi, Peiningcs
dc.contributor.authorAlonso-González, Pablocs
dc.contributor.authorCasanova, Felixcs
dc.contributor.authorHueso, Luis E.cs
dc.contributor.authorMartin-Moreno, Luiscs
dc.contributor.authorHillenbrand, Rainercs
dc.contributor.authorNikitin, Alexeycs
dc.coverage.issue1cs
dc.coverage.volume10cs
dc.date.accessioned2020-08-04T11:02:58Z
dc.date.available2020-08-04T11:02:58Z
dc.date.issued2019-07-19cs
dc.description.abstractLaunching and manipulation of polaritons in van der Waals materials offers novel opportunities for field-enhanced molecular spectroscopy and photodetection, among other applications. Particularly, the highly confined hyperbolic phonon polaritons (HPhPs) in h-BN slabs attract growing interest for their capability of guiding light at the nanoscale. An efficient coupling between free space photons and HPhPs is, however, hampered by their large momentum mismatch. Here, we show —by far-field infrared spectroscopy, infrared nanoimaging and numerical simulations— that resonant metallic antennas can efficiently launch HPhPs in thin h-BN slabs. Despite the strong hybridization of HPhPs in the h-BN slab and Fabry-Pérot plasmonic resonances in the metal antenna, the efficiency of launching propagating HPhPs in h-BN by resonant antennas exceeds significantly that of the non-resonant ones. Our results provide fundamental insights into the launching of HPhPs in thin polar slabs by resonant plasmonic antennas, which will be crucial for phonon-polariton based nanophotonic devices.en
dc.formattextcs
dc.format.extent1-8cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationNATURE COMMUNICATIONS. 2019, vol. 10, issue 1, p. 1-8.en
dc.identifier.doi10.1038/s41467-019-11143-7cs
dc.identifier.issn2041-1723cs
dc.identifier.other160664cs
dc.identifier.urihttp://hdl.handle.net/11012/184644
dc.language.isoencs
dc.publisherSpringer Naturecs
dc.relation.ispartofNATURE COMMUNICATIONScs
dc.relation.urihttps://www.nature.com/articles/s41467-019-11143-7cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2041-1723/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectmetamaterialsen
dc.subjectmodesen
dc.subjectnitrideen
dc.subjectfilmsen
dc.titleLaunching of hyperbolic phonon-polaritons in h-BN slabs by resonant metal plasmonic antennasen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-160664en
sync.item.dbtypeVAVen
sync.item.insts2020.08.04 13:02:58en
sync.item.modts2020.08.04 12:35:58en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
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