Complete Bell-state and Greenberger-Horne-Zeilinger-state nondestructive detection based on simplified symmetry analyzer

被引：10
|
作者：
Su, Shi-Lei [1 ]
Zhu, Long [1 ]
Guo, Qi [1 ]
Wang, Hong-Fu [1 ]
Zhu, Ai-Dong [1 ]
Zhang, Shou [1 ]
Yeon, Kyu-Hwang [2 ,3 ]
机构：
[1] Yanbian Univ, Coll Sci, Dept Phys, Yanji 133002, Jilin, Peoples R China
[2] Chungbuk Natl Univ, Coll Nat Sci, Program Phys BK21, Cheonju 361763, Chungbuk, South Korea
[3] Chungbuk Natl Univ, Coll Nat Sci, Dept Phys, Cheonju 361763, Chungbuk, South Korea
来源：
OPTICS COMMUNICATIONS | 2012年 / 285卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Symmetry analyzer (SA); Nondestructive detection; Cross-Kerr nonlinearity; PODOLSKY-ROSEN CHANNELS; QUANTUM TELEPORTATION; WEAK NONLINEARITIES; COMPUTATION;
D O I：
10.1016/j.optcom.2012.06.026
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a simplified symmetry analyzer (SA) with cross-Kerr nonlinearity, quantum non-demolition photon number measurement and basic optical elements. Based on the present symmetry analyzer (SA), all the Bell states can be discriminated nondestructively with nearly unity probability. In addition, with the help of cross-phase modulation (XPM) induced by giant cross-Kerr nonlinearity, three-photon Greenberger-Horne-Zeilinger (GHZ) state can also be discriminated determinately and nondestructively, which is supposed to be meaningful in quantum information processing. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4134 / 4139
页数：6
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