| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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High-Frequency Einstein-Podolsky-Rosen Entanglement via Atomic Memory Effects in Four-Wave Mixing |
ZHANG Xue-Hua, HU Xiang-Ming, KONG Ling-Feng, ZHANG Xiu |
| Department of Physics, Huazhong Normal University, Wuhan 430079 |
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| Cite this article: |
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ZHANG Xue-Hua, HU Xiang-Ming, KONG Ling-Feng et al 2010 Chin. Phys. Lett. 27 094208 |
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Abstract Atomic memory effects occur when the atomic relaxation times are comparable to or much longer than the cavity relaxation times. We show that by using the memory effects, it is possible to obtain high-frequency Einstein-Podolsky-Rosen entanglement between a pair of Stokes and anti-Stokes fields in a four-wave mixing system. The physical origin is traced to the dynamical Stark splittings of dressed states due to the parametrically amplified fields. This mechanism provides an alternative and efficient way for sideband entanglement.
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| Keywords:
42.50.Lc
42.50.Pq
32.80.Qk
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Received: 08 April 2010
Published: 25 August 2010
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| PACS: |
42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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