Production of entanglement in Raman three-level systems using feedback

Details Production of entanglement in Raman three-level systems using feedback Production of entanglement in Raman three-level systems using feedback

2010-01-10

arxiv.org/abs/1001.1567v1

Physics

Quantum Physics

8 pages, 8 figures

Scientific paper

We examine the theoretical limits of the generation of entanglement in a damped coupled ion-cavity system using jump-based feedback. Using Raman transitions to produce entanglement between ground states reduces the necessary feedback bandwidth, but does not improve the overall effect of the spontaneous emission on the final entanglement. We find that the fidelity of the resulting entanglement will be limited by the asymmetries produced by vibrations in the trap, but that the concurrence remains above 0.88 for realistic ion trap sizes.

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