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

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F20%3APU135712" target="_blank" >RIV/00216305:26620/20:PU135712 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1038/s41467-020-14364-3" target="_blank" >https://doi.org/10.1038/s41467-020-14364-3</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1038/s41467-020-14364-3" target="_blank" >10.1038/s41467-020-14364-3</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

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

  • Original language description

    Recent 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 85 meV 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.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

  • Continuities

    R - Projekt Ramcoveho programu EK

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    NATURE COMMUNICATIONS

  • ISSN

    2041-1723

  • e-ISSN

  • Volume of the periodical

    11

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    7

  • Pages from-to

    1-7

  • UT code for WoS article

    000543967000010

  • EID of the result in the Scopus database

    2-s2.0-85078230463