Multiple copy distillation and purification of phase diffused squeezed states
classification
🪐 quant-ph
keywords
distillationpurificationcopydiffusediterativemultiplephaseprotocol
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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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