Observation of collective-emission-induced cooling of atoms in an optical cavity

被引:129
作者
Chan, HW [1 ]
Black, AT [1 ]
Vuletic, V [1 ]
机构
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
关键词
D O I
10.1103/PhysRevLett.90.063003
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report the observation of collective-emission-induced, velocity-dependent light forces. One-third of a falling sample containing 3x10(6) cesium atoms illuminated by a horizontal standing wave is stopped by cooperatively emitting light into a vertically oriented, confocal resonator. We observe decelerations up to 1500 m/s(2) and cooling to temperatures as low as 7 muK, well below the free-space Doppler limit. The measured forces substantially exceed those predicted for a single two-level atom.
引用
收藏
页码:063003/1 / 063003/4
页数:4
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