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Multiplexed memory-insensitive quantum repeaters

Multiplexed memory-insensitive quantum repeaters
Multiplexed memory-insensitive quantum repeaters
Long-distance quantum communication via distant pairs of entangled quantum bits (qubits) is the first step towards secure message transmission and distributed quantum computing. To date, the most promising proposals require quantum repeaters to mitigate the exponential decrease in communication rate due to optical fiber losses. However, these are exquisitely sensitive to the lifetimes of their memory elements. We propose a multiplexing of quantum nodes that should enable the construction of quantum networks that are largely insensitive to the coherence times of the quantum memory elements.
060502-[4pp]
Collins, O.A.
84849341-f567-4589-b1f3-80299b3afc26
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357
Collins, O.A.
84849341-f567-4589-b1f3-80299b3afc26
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kuzmich, A.
7f959cd2-805c-4cb6-8938-8d6abcd212ee
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357

Collins, O.A., Jenkins, S.D., Kuzmich, A. and Kennedy, T.A.B. (2007) Multiplexed memory-insensitive quantum repeaters. Physical Review Letters, 98 (6), 060502-[4pp]. (doi:10.1103/PhysRevLett.98.060502).

Record type: Article

Abstract

Long-distance quantum communication via distant pairs of entangled quantum bits (qubits) is the first step towards secure message transmission and distributed quantum computing. To date, the most promising proposals require quantum repeaters to mitigate the exponential decrease in communication rate due to optical fiber losses. However, these are exquisitely sensitive to the lifetimes of their memory elements. We propose a multiplexing of quantum nodes that should enable the construction of quantum networks that are largely insensitive to the coherence times of the quantum memory elements.

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PhysRevLett.98.060502.pdf - Version of Record
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Published date: 7 February 2007
Organisations: Applied Mathematics

Identifiers

Local EPrints ID: 339127
URI: https://eprints.soton.ac.uk/id/eprint/339127
PURE UUID: 6c241bea-7d20-4bb2-a3de-4be2256e209b

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Date deposited: 29 May 2012 12:59
Last modified: 18 Jul 2017 05:54

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