QUANTUM-NONDEMOLITION MEASUREMENTS USING A CROSSED KERR-EFFECT BETWEEN ATOMIC AND LIGHT FIELDS

被引：11

作者：

COURTOIS, JY ^{[1
]}

COURTY, JM ^{[1
]}

REYNAUD, S ^{[1
]}

机构：

[1] UNIV PARIS 06, CNRS, LAB KASTLER BROSSEL, F-75252 PARIS 05, FRANCE

来源：

PHYSICAL REVIEW A | 1995年 / 52卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.52.1507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyze the coupling between the fluctuations of an atomic beam incident on an evanescent wave mirror and the fluctuations of the laser beam producing the evanescent potential barrier. We show that this coupling is equivalent to a crossed Kerr effect between an atomic field and a light field, and that the consistency of the theory requires that both fields be subject to symmetrical commutation relations and quantum fluctuations. We show in particular that the phase shift undergone by the light field during the atomic reflection process permits a quantum nondemolition measurement of the incident atomic intensity.

引用

页码：1507 / 1517

页数：11

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