Vacuum Rabi splitting of a dark plasmonic cavity mode revealed by fast electrons

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dc.contributor.authorBitton, Oracs
dc.contributor.authorGupta, Satyendra Nathcs
dc.contributor.authorHouben, Lotharcs
dc.contributor.authorKvapil, Michalcs
dc.contributor.authorKřápek, Vlastimilcs
dc.contributor.authorŠikola, Tomášcs
dc.contributor.authorHaran, Giladcs
dc.coverage.issue1cs
dc.coverage.volume11cs
dc.date.issued2020-12-01cs
dc.description.abstractRecent years have seen a growing interest in strong coupling between plasmons and excitons, as a way to generate new quantum optical testbeds and influence chemical dynamics and reactivity. Strong coupling to bright plasmonic modes has been achieved even with single quantum emitters. Dark plasmonic modes fare better in some applications due to longer lifetimes, but are difficult to probe as they are subradiant. Here, we apply electron energy loss (EEL) spectroscopy to demonstrate that a dark mode of an individual plasmonic bowtie can interact with a small number of quantum emitters, as evidenced by Rabi-split spectra. Coupling strengths of up to 85meV place the bowtie-emitter devices at the onset of the strong coupling regime. Remarkably, the coupling occurs at the periphery of the bowtie gaps, even while the electron beam probes their center. Our findings pave the way for using EEL spectroscopy to study exciton-plasmon interactions involving non-emissive photonic modes.en
dc.formattextcs
dc.format.extent1-7cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationNATURE COMMUNICATIONS. 2020, vol. 11, issue 1, p. 1-7.en
dc.identifier.doi10.1038/s41467-020-14364-3cs
dc.identifier.issn2041-1723cs
dc.identifier.orcid0000-0002-2712-1991cs
dc.identifier.orcid0000-0002-4047-8653cs
dc.identifier.orcid0000-0003-4217-2276cs
dc.identifier.other162531cs
dc.identifier.researcheridV-6971-2018cs
dc.identifier.researcheridA-6917-2013cs
dc.identifier.scopus57189694006cs
dc.identifier.urihttp://hdl.handle.net/11012/184689
dc.language.isoencs
dc.publisherSpringer Naturecs
dc.relation.ispartofNATURE COMMUNICATIONScs
dc.relation.urihttps://doi.org/10.1038/s41467-020-14364-3cs
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.subjectstrong couplingen
dc.subjectelectron energy loss spectroscopyen
dc.subjectEELSen
dc.subjectexciton-plasmon polaritonsen
dc.titleVacuum Rabi splitting of a dark plasmonic cavity mode revealed by fast electronsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-162531en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:48:09en
sync.item.modts2025.01.17 16:49:51en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Příprava a charakterizace nanostrukturcs
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