Quantum information processing using coherent states in cavity QED

被引：22

作者：

Yang, Ming ^{[1
]}

Cao, Zhuo-Liang ^{[1
]}

机构：

[1] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2006年 / 366卷 / 01期

关键词：

coherent states; C-NOT gates; entanglement purification; EXPERIMENTAL ENTANGLEMENT; CRYPTOGRAPHY; PURIFICATION; GENERATION; SCHEME;

D O I：

10.1016/j.physa.2005.10.043

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using the highly detuned interaction between three-level A-type atoms and coherent optical fields, we can realize the C-NOT gates from atoms to atoms, optical fields to optical fields, atoms to optical fields and optical fields to atoms. Based on the realization of the C-NOT gates we propose an entanglement purification scheme for mixed entangled states of coherent optical fields. The feasibility of the scheme has also been discussed at the end of the article. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：243 / 249

页数：7

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