Bunching-induced asymmetry in degenerate four-wave mixing with cold atoms

被引：13
|
作者：
Gattobigio, G. L.
Michaud, F.
Javaloyes, J.
Tabosa, J. W. R.
Kaiser, R.
机构：
[1] CNRS, Inst Non Lineaire Nice, UMR 6618, F-06560 Valbonne, France
[2] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy
[3] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy
[4] UIB, CSIC, IMEDEA, Dept Fis Interdisciplinar, E-07190 Esporles, Spain
[5] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 04期
关键词：
D O I：
10.1103/PhysRevA.74.043407
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have investigated degenerate four-wave mixing in a sample of cold rubidium atoms. A red-blue asymmetry is observed for high intensities of the pumping beams. This asymmetry is explained by the spatial bunching of the atoms in the nodes or antinodes of the strong standing wave of the pump beams. This explanation is confirmed by different experimental configurations and by numerical simulations.
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页数：7
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