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
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 06期
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.
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收藏
页码：063003/1 / 063003/4
页数：4
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