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APS » Journals » Phys. Rev. Lett. » Volume 90 » Issue 12
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Phys. Rev. Lett. 90, 127903 (2003) [4 pages]

Probabilistic Generation of Entanglement in Optical Cavities

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Anders S. Sørensen* and Klaus Mølmer
QUANTOP, Danish National Research Foundation Center for Quantum Optics, Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark

Received 20 June 2002; revised 4 February 2003; published 26 March 2003

We propose to produce entanglement by measuring the reflection from an optical cavity. Conditioned on the detection of a reflected photon, pairs of atoms in the cavity are prepared in maximally entangled states. The success probability depends on the cavity parameters, but high quality entangled states may be produced with a high probability even for cavities of moderate quality.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.127903
DOI:
10.1103/PhysRevLett.90.127903
PACS:
03.65.Ud, 03.67.–a, 42.50.–p

*Present address: ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138.

 
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