Entanglement Purification with Hybrid Systems

S. Mancini; G. Morigi; S. Rebic; D. Vitali

Quantum Communication and Quantum Networking. First International Conference, QuantumComm 2009, Naples, Italy, October 26-30, 2009, Revised Selected Papers

Research Article

Entanglement Purification with Hybrid Systems

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@INPROCEEDINGS{10.1007/978-3-642-11731-2_23,
    author={S. Mancini and G. Morigi and S. Rebic and D. Vitali},
    title={Entanglement Purification with Hybrid Systems},
    proceedings={Quantum Communication and Quantum Networking. First International Conference, QuantumComm 2009, Naples, Italy, October 26-30, 2009, Revised Selected Papers},
    proceedings_a={QUANTUMCOMM},
    year={2012},
    month={10},
    keywords={Entanglement manipulation and characterization quantum description of light-matter interaction quantum state engineering and measurements},
    doi={10.1007/978-3-642-11731-2_23}
}

S. Mancini
G. Morigi
S. Rebic
D. Vitali
Year: 2012
Entanglement Purification with Hybrid Systems
QUANTUMCOMM
Springer
DOI: 10.1007/978-3-642-11731-2_23

S. Mancini¹, G. Morigi², S. Rebic³, D. Vitali¹

1: University of Camerino
2: Universitat Autònoma de Barcelona
3: Macquarie University

Abstract

We propose a scheme for continuous variable entanglement purification using the interaction of two-mode squeezed beams with cold trapped atomic ensembles. In the limit of very large number of atoms, a collective atomic ensemble excitation becomes a continuous quantity. Measurement of populations in the two lower levels is of non-Gaussian nature that is necessary for the entanglement purification. We foresee the use of this scheme for implementation of a continuous variable quantum repeater.

Keywords: Entanglement manipulation and characterization quantum description of light-matter interaction quantum state engineering and measurements

Published: 2012-10-11

: http://dx.doi.org/10.1007/978-3-642-11731-2_23