| Original Articles |
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Strong Correlation and Anticorrelation via Phase-Dependent Coherent Population Trapping |
| PENG Yan-Dong;HU Xiang-Ming;GONG Cheng |
| Department of Physics, Huazhong Normal University, Wuhan 430079 |
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| Cite this article: |
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PENG Yan-Dong, HU Xiang-Ming, GONG Cheng 2008 Chin. Phys. Lett. 25 493-496 |
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Abstract We present the phase control of photon correlations in a driven four-level system in the double lambda configuration. The strong correlation and the anticorrelation are obtained when the collective phase of four applied laser fields is varied. The coherent control is based on the phase-dependent
coherent population trapping (CPT). The strong correlation occurs when the system operates near CPT, while the anticorrelation occurs when the system is far away from CPT.
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| Keywords:
42.50.Ct
42.50.Lc
42.50.Gy
32.50.+d
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Received: 11 October 2007
Published: 30 January 2008
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| PACS: |
42.50.Ct
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(Quantum description of interaction of light and matter; related experiments)
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42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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32.50.+d
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(Fluorescence, phosphorescence (including quenching))
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