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Quantum telecommunication based on atomic cascade transitions

Quantum telecommunication based on atomic cascade transitions
Quantum telecommunication based on atomic cascade transitions
A quantum repeater at telecommunications wavelengths with long-lived atomic memory is proposed, and its critical elements are experimentally demonstrated using a cold atomic ensemble. Via atomic cascade emission, an entangled pair of 1.53???m and 780 nm photons is generated. The former is ideal for long-distance quantum communication, and the latter is naturally suited for mapping to a long-lived atomic memory. Together with our previous demonstration of photonic-to-atomic qubit conversion, both of the essential elements for the proposed telecommunications quantum repeater have now been realized
Chanelière, T.
72549647-85a3-4a35-ad20-8606b542553d
Matsukevich, D.N.
178d5791-6289-4336-a788-e591ef406613
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357
Chapman, M.S.
3373a526-9a8e-4cbb-90a5-62cb32542a2a
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee
Chanelière, T.
72549647-85a3-4a35-ad20-8606b542553d
Matsukevich, D.N.
178d5791-6289-4336-a788-e591ef406613
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357
Chapman, M.S.
3373a526-9a8e-4cbb-90a5-62cb32542a2a
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee

Chanelière, T., Matsukevich, D.N., Jenkins, S.D., Kennedy, T.A.B., Chapman, M.S. and Kuzmich, A. (2006) Quantum telecommunication based on atomic cascade transitions. Physical Review Letters, 96 (9). (doi:10.1103/PhysRevLett.96.093604).

Record type: Article

Abstract

A quantum repeater at telecommunications wavelengths with long-lived atomic memory is proposed, and its critical elements are experimentally demonstrated using a cold atomic ensemble. Via atomic cascade emission, an entangled pair of 1.53???m and 780 nm photons is generated. The former is ideal for long-distance quantum communication, and the latter is naturally suited for mapping to a long-lived atomic memory. Together with our previous demonstration of photonic-to-atomic qubit conversion, both of the essential elements for the proposed telecommunications quantum repeater have now been realized

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Published date: March 2006

Identifiers

Local EPrints ID: 176289
URI: http://eprints.soton.ac.uk/id/eprint/176289
PURE UUID: 22ed4c19-8519-4b27-83b2-4cda489fc19c

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Date deposited: 07 Mar 2011 14:08
Last modified: 16 Jul 2019 23:46

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