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Coherent manipulation of a solid-state artificial atom with few photons

Author

Listed:
  • V. Giesz

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • N. Somaschi

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • G. Hornecker

    (Université Grenoble Alpes
    CNRS, Institut Néel, Nanophysique et Semiconducteurs Group)

  • T. Grange

    (Université Grenoble Alpes
    CNRS, Institut Néel, Nanophysique et Semiconducteurs Group)

  • B. Reznychenko

    (Université Grenoble Alpes
    CNRS, Institut Néel, Nanophysique et Semiconducteurs Group)

  • L. De Santis

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay
    Université Paris-Sud, Université Paris-Saclay)

  • J. Demory

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • C. Gomez

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • I. Sagnes

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • A. Lemaître

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • O. Krebs

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • N. D. Lanzillotti-Kimura

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay)

  • L. Lanco

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay
    Université Paris Diderot)

  • A. Auffeves

    (Université Grenoble Alpes
    CNRS, Institut Néel, Nanophysique et Semiconducteurs Group)

  • P. Senellart

    (CNRS-LPN Laboratoire de Photonique et de Nanostructures, Université Paris-Saclay
    Ecole Polytechnique, Université Paris-Saclay)

Abstract

In a quantum network based on atoms and photons, a single atom should control the photon state and, reciprocally, a single photon should allow the coherent manipulation of the atom. Both operations require controlling the atom environment and developing efficient atom–photon interfaces, for instance by coupling the natural or artificial atom to cavities. So far, much attention has been drown on manipulating the light field with atomic transitions, recently at the few-photon limit. Here we report on the reciprocal operation and demonstrate the coherent manipulation of an artificial atom by few photons. We study a quantum dot-cavity system with a record cooperativity of 13. Incident photons interact with the atom with probability 0.95, which radiates back in the cavity mode with probability 0.96. Inversion of the atomic transition is achieved for 3.8 photons on average, showing that our artificial atom performs as if fully isolated from the solid-state environment.

Suggested Citation

  • V. Giesz & N. Somaschi & G. Hornecker & T. Grange & B. Reznychenko & L. De Santis & J. Demory & C. Gomez & I. Sagnes & A. Lemaître & O. Krebs & N. D. Lanzillotti-Kimura & L. Lanco & A. Auffeves & P. S, 2016. "Coherent manipulation of a solid-state artificial atom with few photons," Nature Communications, Nature, vol. 7(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11986
    DOI: 10.1038/ncomms11986
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