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Quantum cloning of continuous-variable entangled states

Grosse, Nicolai; Symul, Thomas; Lam, Ping Koy; Weedbrook, Christian; Ralph, Timothy Cameron


We consider the quantum cloning of continuous variable entangled states. This is achieved by introducing two symmetric entanglement cloning machines (or e -cloners): a local e -cloner and a global e -cloner; where we look at the preservation of entanglement in the clones under the condition that the fidelity of the clones is maximized. These cloning machines are implemented using simple linear optical elements such as beam splitters and homodyne detection along with squeeze gates. We show that...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.77.052313


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