Continuous-variable entanglement distillation over a general lossy channel

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Title Continuous-variable entanglement distillation over a general lossy channel
Author Lund, Austin; Ralph, T. C.
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Year Published 2009
Place of publication USA
Publisher American Physical Society
Abstract Any continuous-variable distillation protocol that does not change the effective loss of the transmission channel cannot be used to achieve maximum Einstein-Podolsky-Rosen style correlations after distillation. We analyze the continuous-variable entanglement distillation protocol described by [Browne et al., Phys. Rev. A 67, 062320 (2003)] and show that it does not change the effective loss of the transmission of entanglement. We extend this scheme to one which does change the effective transmission coefficient of the channel. Our scheme has the added benefit that the states generated exhibit isotropic noise which is best suited to applications of continuous-variable entanglement such as continuous-variable teleportation.
Peer Reviewed Yes
Published Yes
Publisher URI http://pra.aps.org/
Alternative URI http://dx.doi.org/10.1103/PhysRevA.80.032309
Volume 80
Issue Number 3
Page from 032309-1
Page to 032309-9
ISSN 1050-2947
Date Accessioned 2009-11-09
Date Available 2010-06-24T05:22:09Z
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Quantum Optics
URI http://hdl.handle.net/10072/30969
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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