Generation of continuous-variable entanglement in a three-level system coupled with a parametric oscillator

被引：0

作者：

Ma, Yong-Hong ^{[1
]}

机构：

[1] Inner Mongolia Univ Sci & Technol, Sch Math Phys & Biol Engn, Baotou 014010, Peoples R China

来源：

PHYSICA SCRIPTA | 2011年 / 83卷 / 02期

关键词：

QUANTUM; CRITERION; LASER;

D O I：

10.1088/0031-8949/83/02/025403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a nondegenerate three-level cascade laser driven by a classical field with a parametric oscillator. The dynamic evolution of the master equation is investigated and the steady-state entanglement between two modes is investigated. We show that introducing the parametric oscillator can enhance the entanglement between the two-mode cavity. In particular, with the help of the classical field, a high intensity of entangled light between the two modes can be achieved.

引用

页数：4

共 32 条

[1] Continuous-variable entanglement in a nondegenerate three-level laser with a parametric oscillator [J].

Alebachew, Eyob .

PHYSICAL REVIEW A, 2007, 76 (02)

[2] Experimental quantum teleportation [J].

Bouwmeester, D ;

Pan, JW ;

Mattle, K ;

Eibl, M ;

Weinfurter, H ;

Zeilinger, A .

NATURE, 1997, 390 (6660) :575-579

[3] Quantum information with continuous variables [J].

Braunstein, SL ;

van Loock, P .

REVIEWS OF MODERN PHYSICS, 2005, 77 (02) :513-577

[4] Inseparability criterion for continuous variable systems [J].

Duan, LM ;

Giedke, G ;

Cirac, JI ;

Zoller, P .

PHYSICAL REVIEW LETTERS, 2000, 84 (12) :2722-2725

[5] Generation of two-mode Gaussian-type entangled states of light via a quantum beat laser [J].

Fang, Ai-ping ;

Chen, Yi-long ;

Li, Fu-li ;

Li, Hong-rong ;

Zhang, Pei .

PHYSICAL REVIEW A, 2010, 81 (01)

[6] Characterizing the entanglement of bipartite quantum systems [J].

Giovannetti, V ;

Mancini, S ;

Vitali, D ;

Tombesi, P .

PHYSICAL REVIEW A, 2003, 67 (02) :5

[7] OBSERVATION OF QUANTUM NOISE-REDUCTION ON TWIN LASER-BEAMS [J].

HEIDMANN, A ;

HOROWICZ, RJ ;

REYNAUD, S ;

GIACOBINO, E ;

FABRE, C ;

CAMY, G .

PHYSICAL REVIEW LETTERS, 1987, 59 (22) :2555-2557

[8] Entanglement conditions for two-mode states [J].

Hillery, M ;

Zubairy, MS .

PHYSICAL REVIEW LETTERS, 2006, 96 (05)

[9] Coherent control in a decoherence-free subspace of a collective multilevel system [J].

Kiffner, M. ;

Evers, J. ;

Keitel, C. H. .

PHYSICAL REVIEW A, 2007, 75 (03)

[10] Enhancement of entanglement for two-mode fields generated from four-wave mixing with the help of the auxiliary atomic transition [J].

Li, Gao-Xiang ;

Tan, Hua-Tang ;

Macovei, Mihai .

PHYSICAL REVIEW A, 2007, 76 (05)

← 1 2 3 4 →