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Quantum communication and entanglement between two distant atoms via vacuum fields |
| Zheng Shi-Biao(郑仕标)† |
| Department of Physics and State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China |
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Abstract This paper proposes an efficient scheme for quantum communication between two atoms trapped in distant cavities which are connected by an optical fibre. During the operation, all the atomic system, the cavity modes and the fibre are not excited. The quantum state is mediated by the vacuum fields. The idea can be used to realize quantum entanglement between two distant atoms via vacuum.
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Received: 02 October 2009
Accepted manuscript online:
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PACS:
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03.67.Hk
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(Quantum communication)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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37.10.De
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(Atom cooling methods)
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42.50.Dv
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(Quantum state engineering and measurements)
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42.81.-i
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(Fiber optics)
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| Fund: Project supported by the National
Natural Science Foundation of China (Grant No.~10674025) and the
Doctoral Foundation of the Ministry of Education of China (Grant
No.~20070386002). |
Cite this article:
Zheng Shi-Biao(郑仕标) Quantum communication and entanglement between two distant atoms via vacuum fields 2010 Chin. Phys. B 19 064204
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