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Effects of spatial interference on intensity--intensity correlations in collective two-atom emission |
Tan Hua-Tang(谭华堂)† |
Department of Physics, Huazhong Normal University, Wuhan 430079, China |
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Abstract In this paper, we investigate the effects of the spatial variation of driving-laser phase in a collective two-atom system on the intensity--intensity correlations of the resonant fluorescence. It is shown that the intensity--intensity correlations exhibit quite different characteristics for the different values of the spatial phase of the laser at the position of the two atoms in both cases of the weak and strong driving lasers. Our results suggest that the intensity--intensity correlations can serve as a probe of the spatial interference effect arising from the spatial variation of the laser phase.
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Received: 26 February 2009
Revised: 08 June 2009
Accepted manuscript online:
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PACS:
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42.50.-p
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(Quantum optics)
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32.50.+d
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(Fluorescence, phosphorescence (including quenching))
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32.80.-t
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(Photoionization and excitation)
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Fund: Project supported by the National
Natural Science Foundation of China (Grant No. 10804035) and
the Specialized Research Fund for the Doctoral Program of Higher Education of China
(Grant No. 200805111014). |
Cite this article:
Tan Hua-Tang(谭华堂) Effects of spatial interference on intensity--intensity correlations in collective two-atom emission 2010 Chin. Phys. B 19 014205
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