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Atomic dispensers for thermoplasmonic control of alkali vapor pressure in quantum optical applications

Author

Listed:
  • Kristina R. Rusimova

    (University of Bath
    University of Bath)

  • Dimitar Slavov

    (Institute of Electronics, Bulgarian Academy of Sciences)

  • Fabienne Pradaux-Caggiano

    (University of Bath
    University of Bath)

  • Joel T. Collins

    (University of Bath)

  • Sergey N. Gordeev

    (University of Bath)

  • David R. Carbery

    (University of Bath
    University of Bath)

  • William J. Wadsworth

    (University of Bath)

  • Peter J. Mosley

    (University of Bath)

  • Ventsislav K. Valev

    (University of Bath
    University of Bath)

Abstract

Alkali metal vapors enable access to single electron systems, suitable for demonstrating fundamental light-matter interactions and promising for quantum logic operations, storage and sensing. However, progress is hampered by the need for robust and repeatable control over the atomic vapor density and over the associated optical depth. Until now, a moderate improvement of the optical depth was attainable through bulk heating or laser desorption – both time-consuming techniques. Here, we use plasmonic nanoparticles to convert light into localized thermal energy and to achieve optical depths in warm vapors, corresponding to a ~16 times increase in vapor pressure in less than 20 ms, with possible reload times much shorter than an hour. Our results enable robust and compact light-matter devices, such as efficient quantum memories and photon-photon logic gates, in which strong optical nonlinearities are crucial.

Suggested Citation

  • Kristina R. Rusimova & Dimitar Slavov & Fabienne Pradaux-Caggiano & Joel T. Collins & Sergey N. Gordeev & David R. Carbery & William J. Wadsworth & Peter J. Mosley & Ventsislav K. Valev, 2019. "Atomic dispensers for thermoplasmonic control of alkali vapor pressure in quantum optical applications," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10158-4
    DOI: 10.1038/s41467-019-10158-4
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