Time-separated entangled light pulses from a single-atom emitter

David Vitali, Priscilla Cañizares, Jürgen Eschner, Giovanna Morigi

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Abstract

The controlled interaction between a single, trapped, laser-driven atom and the mode of a high-finesse optical cavity allows for the generation of temporally separated, entangled light pulses. Entanglement between the photon-number fluctuations of the pulses is created and mediated via the atomic centerof-mass motion, which is interfaced with light through the mechanical effect of atom-photon interaction. By means of a quantum noise analysis we determine the correlation matrix which characterizes the entanglement as a function of the system parameters. The scheme is feasible in experimentally accessible parameter regimes. It may be easily extended to the generation of entangled pulses at different frequencies, even at vastly different wavelengths. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Original languageEnglish
Article number033025
JournalNew Journal of Physics
Volume10
DOIs
Publication statusPublished - 17 Mar 2008

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    Vitali, D., Cañizares, P., Eschner, J., & Morigi, G. (2008). Time-separated entangled light pulses from a single-atom emitter. New Journal of Physics, 10, [033025]. https://doi.org/10.1088/1367-2630/10/3/033025