Heralded entanglement between atomic ensembles: Preparation, decoherence, and scaling

Title
Heralded entanglement between atomic ensembles: Preparation, decoherence, and scaling
Authors
J. Laurat최경수H. DengC. W. ChouH. J. Kimble
Issue Date
2007-11
Publisher
Physical review letters
Citation
VOL 99, NO 18, 180504-1-180504-4
Abstract
Heralded entanglement between collective excitations in two atomic ensembles is probabilistically generated, stored, and converted to single-photon fields. By way of the concurrence, quantitative characterizations are reported for the scaling behavior of entanglement with excitation probability and for the temporal dynamics of various correlations resulting in the decay of entanglement. A lower bound of the concurrence for the collective atomic state of 0:9 ± 0:3 is inferred. The decay of entanglement as a function of storage time is also observed, and related to the local dynamics.
URI
http://pubs.kist.re.kr/handle/201004/40468
ISSN
0031-9007
Appears in Collections:
KIST Publication > Article
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