Enhanced entanglement in a non-degenerate four-level atom with a parametric oscillator

被引：0
|
作者：
Wu, E. [1 ]
Zeng, Li-Xia [1 ]
Song, Hai-Yang [2 ]
Wang, Xi-Ming [1 ]
机构：
[1] Xianyang Normal Univ, Dept Phys, Xian, Peoples R China
[2] Xian Inst Posts & Telecommun, Dept Appl Math & Appl Phys, Xian, Peoples R China
来源：
JOURNAL OF MODERN OPTICS | 2008年 / 55卷 / 15期
关键词：
entanglement; parametric oscillator; classical field;
D O I：
10.1080/09500340802148961
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We discuss the generation and evolution of a macroscopic entanglement light with a subthreshold non-degenerate parametric oscillator, coupled to a vacuum reservoir. The four-level atoms driven by two classical fields interact with the parametric oscillator. The master equation for the cavity modes of the scheme is derived and analyzed, the entanglement properties of the two-mode light generated by this scheme inside and outside the cavity is studied. We show that the light produced by this system is strongly entangled with time evolution inside and outside a cavity.
引用
收藏
页码：2473 / 2483
页数：11
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