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Deterministic single-photon source from a single ion

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Abstract

We realize a deterministic single-photon source from one and the same calcium ion interacting with a high-finesse optical cavity. Photons are created in the cavity with efficiency 88 ± 17%, a tenfold improvement over previous cavity-ion sources. Results of the second-order correlation function are presented, demonstrating a high suppression of two-photon events limited only by background counts. The cavity photon pulse shape is obtained, with good agreement between experiment and simulation. Moreover, theoretical analysis of the temporal evolution of the atomic populations provides relevant information about the dynamics of the process and opens the way to future investigations of a coherent atom-photon interface.

Original languageEnglish
Article number103004
JournalNew Journal of Physics
Volume11
DOIs
Publication statusPublished - 2 Oct 2009
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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