Preparation of Greenberger-Horne-Zeilinger and W states of three atoms trapped in one cavity through cavity output process

被引：3
|
作者：
Xia, Yan [1 ,2 ]
Song, Jie [2 ]
Lu, Pei-Min [1 ]
Song, He-Shan [2 ]
机构：
[1] Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
[2] Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 04期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Entangled states; Three level A type atoms; Linear optical elements; ENTANGLED STATES; DISTANT ATOMS; QUANTUM; GENERATION; TELEPORTATION;
D O I：
10.1016/j.optcom.2010.10.036
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a protocol to generate Greenberger-Horne-Zeilinger (GHZ) and W states of three atoms trapped in only one cavity The setup involves one cavity and linear optical elements The quantum information of each qubit is skillfully encoded on the degenerate ground states of the three different atoms hence the entanglement between them is relatively stable against spontaneous emission The advantages of the protocol are their robustness against detection inefficiency and asynchronous emission of the photons We discuss the issue related to the practical implementation and show that the protocol is accessible within the current cavity QED technology and linear optical technology Crown Copyright (C) 2010 Published by Elsevier B V All rights reserved
引用
收藏
页码：1094 / 1098
页数：5
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