Continuous-variable quantum teleportation of entanglement

Details Continuous-variable quantum teleportation of entanglement Continuous-variable quantum teleportation of entanglement

2002-04-03

arxiv.org/abs/quant-ph/0204011v2

Phys. Rev. A 66, 042326 (2002)

Physics

Quantum Physics

5 pages, 1 figure, published version

Scientific paper

10.1103/PhysRevA.66.042326

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 state.

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