Light transport in cold atoms and thermal decoherence

被引：27

作者：

Labeyrie, G.

Delande, D.

Kaiser, R.

Miniatura, C.

机构：

[1] Inst Non Lineaire Nice, CNRS, UMR 6618, F-06560 Valbonne, France

[2] Univ Paris 06, Lab Kastler Brossel, F-75005 Paris, France

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.97.013004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We use the coherent backscattering interference effect to investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapor is affected by the residual motion of atomic scatterers. As the temperature of the atomic cloud increases, the interference contrast decreases dramatically. This emphasizes the role of motion-induced decoherence for resonant scatterers even in the sub-Doppler regime of temperature. We derive analytical expressions for the corresponding coherence time.

引用

页数：4

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