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
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.
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