One-step generation of high-quality squeezed and EPR states in cavity QED

被引：35
|
作者：
Villas-Bôas, CJ [1 ]
Moussa, MHY [1 ]
机构：
[1] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Paulo, Brazil
来源：
EUROPEAN PHYSICAL JOURNAL D | 2005年 / 32卷 / 01期
关键词：
D O I：
10.1140/epjd/e2004-00178-y
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show how to generate bilinear (quadratic) Hamiltonians in cavity quantum electrodynamics (QED) through the interaction of a single driven three-level atom with two (one) cavity modes. With this scheme it is possible to generate one-mode mesoscopic squeezed superpositions, two-mode entanglements, and two-mode squeezed vacuum states (such the original EPR state), without the need for Ramsey zones and external parametric amplification. The degree of squeezing achieved is up to 99% with currently feasible experimental parameters and the errors due to dissipative mechanisms become practically negligible.
引用
收藏
页码：147 / 151
页数：5
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