Published November 2, 2007
| Published + Accepted Version
Journal Article
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Heralded Entanglement between Atomic Ensembles: Preparation, Decoherence, and Scaling
Chicago
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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.
Additional Information
©2007 The American Physical Society. (Received 26 May 2007; published 2 November 2007) We acknowledge our collaboration with S.J. van Enk and discussions with D. Felinto and H. de Riedmatten. This research is supported by the DTO and by the NSF. J.L. acknowledges financial support from the EU (Marie Curie fellowship) and H.D. from the CPI at Caltech.Attached Files
Published - LAUprl07.pdf
Accepted Version - 0706.0528.pdf
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Additional details
- Eprint ID
- 9146
- Resolver ID
- CaltechAUTHORS:LAUprl07
- Department of National Intelligence
- NSF
- Marie Curie Fellowship
- Caltech Center for the Physics of Information
- Created
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2007-11-04Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field