Tunable source of correlated atom beams

被引:38
作者
Bonneau, M. [1 ]
Ruaudel, J. [1 ]
Lopes, R. [1 ]
Jaskula, J. -C. [1 ]
Aspect, A. [1 ]
Boiron, D. [1 ]
Westbrook, C. I. [1 ]
机构
[1] Univ Paris 11, Lab Charles Fabry, Inst Opt, CNRS, F-91127 Palaiseau, France
关键词
Four wave mixing;
D O I
10.1103/PhysRevA.87.061603
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We use a one-dimensional optical lattice to modify the dispersion relation of atomic matter waves. Four-wave mixing in this situation produces atom pairs in two well-defined beams. We show that these beams present a narrow momentum correlation, that their momenta are precisely tunable, and that this pair source can be operated in the regimes of low mode occupancy and of high mode occupancy.
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收藏
页数:5
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