Continuous-variable quantum teleportation of entanglement

Tyler J. Johnson, Stephen D. Bartlett, Barry C. Sanders

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Abstract

Entangled coherent states can be used to determine the entanglement fidelity for a device that is designed to teleport coherent states. This entanglement fidelity is universal in that the calculation is independent of the use of entangled coherent states and applies generally to the teleportation of entanglement using coherent states. The average fidelity is shown to be a poor indicator of the capability of teleporting entanglement; i.e., very high average fidelity for the quantum teleportation apparatus can still result in low entanglement fidelity for one-mode of the two-mode entangled coherent states.
Original languageEnglish
Pages (from-to)042326-1-042326-5
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number4
DOIs
Publication statusPublished - 2002

Bibliographical note

Copyright 2002 by The American Physical Society. Reprinted from Physical review A.

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