Applied Physics B

, Volume 107, Issue 4, pp 1145–1157 | Cite as

Toward an ion–photon quantum interface in an optical cavity

  • A. Stute
  • B. Casabone
  • B. Brandstätter
  • D. Habicher
  • H. G. Barros
  • P. O. Schmidt
  • T. E. Northup
  • R. Blatt
Article

Abstract

We demonstrate several building blocks for an ion–photon interface based on a trapped 40Ca+ ion in an optical cavity. We identify a favorable experimental configuration and measure system parameters, including relative motion of the trapped ion and the resonator mode. A complete spectrum of cavity-assisted Raman transitions between the 42S1/2 and 32D5/2 manifolds is obtained. On two of these transitions, we generate orthogonally polarized cavity photons, and we demonstrate coherent manipulation of the corresponding pair of atomic states. Possible implementations of atom-photon entanglement and state mapping within the ion-cavity system are discussed.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • A. Stute
    • 1
  • B. Casabone
    • 1
  • B. Brandstätter
    • 1
  • D. Habicher
    • 1
  • H. G. Barros
    • 1
    • 2
  • P. O. Schmidt
    • 1
    • 3
  • T. E. Northup
    • 1
  • R. Blatt
    • 1
    • 4
  1. 1.Institut für ExperimentalphysikUniversität InnsbruckInnsbruckAustria
  2. 2.Department of Physics and Center for Applied PhotonicsUniversität KonstanzKonstanzGermany
  3. 3.QUEST Institute for Experimental Quantum MetrologyPTB and Leibniz University of HannoverBraunschweigGermany
  4. 4.Institut für Quantenoptik und Quanteninformation (IQOQI)InnsbruckAustria

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