Procrustean entanglement concentration of continuous variable states of light

Details Procrustean entanglement concentration of continuous variable states of light Procrustean entanglement concentration of continuous variable states of light

2006-05-16

arxiv.org/abs/quant-ph/0605143v3

Phys. Rev A, 74, 042315 (2006).

Physics

Quantum Physics

6 pages, 3 figures; Typos corrected, References added and conclusion extended, Accepted for publication in Physical Review A

Scientific paper

10.1103/PhysRevA.74.042315

We propose a Procrustean entanglement concentration scheme for continuous variable states inspired by the scheme proposed in Fiurasek et. al. Phys. Rev. A 67, 022304, (2003). We show that the eight-port homodyne measurement of Fiurasek et. al. Phys. Rev. A 67, 022304, (2003) can be replaced by a balanced homodyne measurement with the advantage of providing a success criterion that allows Alice and Bob to determine if entanglement concentration was achieved. In addition, it facilitates a straightforward and feasible experimental implementation.

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