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Entanglement of a photon and an optical lattice spin wave

Entanglement of a photon and an optical lattice spin wave
Entanglement of a photon and an optical lattice spin wave
We propose and implement a scheme to produce long-lived entanglement between a signal field and a magnetically insensitive collective excitation in an atomic cloud cooled in a one-dimensional optical lattice. After a programmable storage time, we convert the spin-wave excitation into an idler field, and demonstrate violation of Bell’s inequality for storage times in excess of 3 ms.

20505
Dudin, Y.O.
aacb98f7-0b1d-4e75-b3b1-b45b4a43d417
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Zhao, R.
0d9a8bc7-f0f8-421c-96a2-702f37993d7e
Matsukevich, D.N.
178d5791-6289-4336-a788-e591ef406613
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357
Dudin, Y.O.
aacb98f7-0b1d-4e75-b3b1-b45b4a43d417
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Zhao, R.
0d9a8bc7-f0f8-421c-96a2-702f37993d7e
Matsukevich, D.N.
178d5791-6289-4336-a788-e591ef406613
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357

Dudin, Y.O., Jenkins, S.D., Zhao, R., Matsukevich, D.N., Kuzmich, A. and Kennedy, T.A.B. (2009) Entanglement of a photon and an optical lattice spin wave. Physical Review Letters, 103 (2), 20505. (doi:10.1103/PhysRevLett.103.020505). (PMID:19659192)

Record type: Article

Abstract

We propose and implement a scheme to produce long-lived entanglement between a signal field and a magnetically insensitive collective excitation in an atomic cloud cooled in a one-dimensional optical lattice. After a programmable storage time, we convert the spin-wave excitation into an idler field, and demonstrate violation of Bell’s inequality for storage times in excess of 3 ms.

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More information

Published date: 10 July 2009

Identifiers

Local EPrints ID: 175765
URI: http://eprints.soton.ac.uk/id/eprint/175765
DOI: doi:10.1103/PhysRevLett.103.020505
PURE UUID: 51c3ff3e-e1ca-4251-8c3f-85fc5b338b91

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Date deposited: 28 Feb 2011 11:22
Last modified: 14 Mar 2024 02:37

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Contributors

Author: Y.O. Dudin
Author: S.D. Jenkins
Author: R. Zhao
Author: D.N. Matsukevich
Author: A. Kuzmich
Author: T.A.B. Kennedy

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