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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页码：063003/1 / 063003/4

页数：4

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