Multiple copy distillation and purification of phase diffused squeezed states

Details Multiple copy distillation and purification of phase diffused squeezed states Multiple copy distillation and purification of phase diffused squeezed states

2007-08-10

arxiv.org/abs/0708.1395v2

Phys. Rev. A, 053820 (2007)

Physics

Quantum Physics

11 pages, 13 figures

Scientific paper

10.1103/PhysRevA.76.053820

We provide a detailed theoretical analysis of multiple copy purification and distillation protocols for phase diffused squeezed states of light. The standard iterative distillation protocol is generalized to a collective purification of an arbitrary number of N copies. We also derive a semi-analytical expression for the asymptotic limit of the iterative distillation and purification protocol and discuss its properties.

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