Spin squeezing in two-level systems

被引：61

作者：

Vernac, L ^{[1
]}

Pinard, M ^{[1
]}

Giacobino, E ^{[1
]}

机构：

[1] Univ Paris 06, Lab Kastler Brossel, F-75252 Paris 05, France

来源：

PHYSICAL REVIEW A | 2000年 / 62卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.62.063812

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using a quantum theory for an ensemble of two-level atoms driven by a field in an optical cavity, we show that the spin associated with the atomic ensemble can be squeezed. Two kinds of squeezing are obtained: on the one hand, self-squeezing of the spin when the input field is a coherent one and the atomic ensemble exhibits a large nonlinearity; and on the other hand, squeezing transfer from an incoming squeezed field when the atomic ensemble has a quasilinear behavior.

引用

页码：063812 / 063811

页数：9

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