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    Phys Rev Lett. 2004 Jul 30;93(5):056801. Epub 2004 Jul 27.

    Hanbury Brown-Twiss correlations to probe the population statistics of GHz photons emitted by conductors.

    Gabelli J, Reydellet LH, Fève G, Berroir JM, Plaçais B, Roche P, Glattli DC.

    Source

    Laboratoire Pierre Aigrain, Département de Physique de l'Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris Cedex 05, France.

    Abstract

    We present the first study of the statistics of GHz photons in quantum circuits, using Hanbury Brown and Twiss correlations. The super-Poissonian and Poissonian photon statistics of thermal and coherent sources, respectively, made of a resistor and a radio frequency generator, are measured down to the quantum regime at milli-Kelvin temperatures. As photon correlations are linked to the second and fourth moments of current fluctuations, this experiment, which is based on current cryogenic electronics, may become a standard for probing electron/photon statistics in quantum conductors.

    PMID:
    15323720
    [PubMed]

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