Journal
PHYSICAL REVIEW A
Volume 80, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.032309
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Funding
- Australian Research Council
- Defence Science and Technology Organization
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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.
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