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2013 | 1 | 5-11
Article title

Requirements for two-source entanglement

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Entanglement enhancement is a key task for quantum technologies.
This operation performed on states produced by
parametric down-conversion sources has been the object of
several recent experimental investigations. In particular, conditional
preparation by photon-subtraction has been shown to
improve the entanglement of these states. Here we analyse
the role played by non-Gaussian and Gaussian measurements
in more general entanglement concentration operations
performed on a pair of two-mode squeezed vacua.
We find stringent requirements for achieving an improved entanglement
enhancement by measuring jointly these two resource
Physical description
12 - 12 - 2012
13 - 02 - 2013
24 - 1 - 2013
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