Procrustean entanglement concentration of continuous variable states of light

Abstract

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.

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

References in corpus (1)

• Gaussian states in continuous variable quantum information

Cited by in corpus (4)

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• Cross-Kerr interaction in a four-level atomic system
• Weak Values and Continuous-Variable Entanglement Concentration
• Weak Measurements with Entangled Probes