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利用线性光学器件实现三体纠缠相干态的纠缠交换

, PP. 446-450

Keywords: 量子信息,纠缠交换,线性光学器件,纠缠相干态,量子隐形传态,保真度

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Abstract:

利用一个两体最大纠缠相干态作为量子通道,通过线性光学器件实现了连续变量纠缠态的纠缠交换方案。我们采用分束器和相移器这两种线性光学器件,借助量子隐形传态的思想,实现了三体纠缠相干态的纠缠交换,这一纠缠交换只有一种测量过程是失败的,但几率很小。详细的分析显示,当光场平均光子数大于2,成功纠缠交换任意三体纠缠相干态的概率和总平均最小保真度接近1。

References

[1]  Cha Xin-Wei, The expansion of orthogonal complete set and transformation operator in teleportation
[2]  [J]. Chinese Journal of Quantum Electronics (量子电子学报) ,2007,24:179-182(In Chinese)?
[3]  Yan Wei and Zhang Wei-Jun, Quantum teleportation of canonical variables
[4]  [J]. Chinese Journal of Quantum Electronics (量子电子学报) (In Chinese) ,2008,25:56-59(In Chinese)?
[5]  León J, and Sabín C, Entanglement swapping between spacelike-separated atoms
[6]  [J]. Phys. Rev. A, 1999, 60: 194-197.?
[7]  Briegel H.-J, Dür W, Cirac J I, and Zoller P. Quantum Repeaters: The role of imperfect local operations in quantum communication
[8]  [J]. Phys. Rev. Lett., 1998, 81: 5932-5935.?
[9]  Wang Xiaoguang. Quantum teleportation of entangled coherent states
[10]  [J]. Phys. Rev. A, 2001, 64: 022302-022304.
[11]  Bennett C H., Brassard G and Grepeau C, Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels
[12]  [J]. Phys. Rev. Lett., 1993, 70: 1895-1899.?
[13]  Vaidman L, Teleportation of quantum states
[14]  [J]. Phys. Rev. A, 1994, 49: 1473-1476.?
[15]  Sun Yong, Man Zhong-Xiao and Xia Yun-Jie, Improving the teleportation of tripartite entangled coherent states. Int. J. Quant. Infor.
[16]  [J]. 2009, 7(1): 313–321.?
[17]  [J]. Phys. Rev. A, 2008, 78: 052314.?
[18]  Yu Li-Zhi and Gong Ren-Shan, Purification for entangled multi-atom states via entanglement swapping
[19]  [J]. Chinese Journal of Quantum Electronics (量子电子学报) ,(In Chinese) 2008, 25:317-321
[20]  
[21]  Chen Yan, Man Zhong-Xiao and Xia Yun-Jie, Quantum bidirectional secure communication by using GHZ states and entanglement swapping
[22]  [J]. Chin. Phys. Lett., 2007, 24: 19-22 .
[23]  Zokowski M, Zeilinger A, Horne M A, and Ekert A K. “Event-Ready-Detectors” Bell Experiment via entanglement swapping
[24]  [J]. Phys. Rev. Lett., 1993, 71:4287-4290.?
[25]  Pan Jian-Wei, Bouwmeester D WeinfurterH, and Zeilinger A. Experimental Entanglement Swapping: Entangling photons that never interacted
[26]  [J]. Phys. Rev. Lett., 1998, 80: 3891-3894.
[27]  
[28]  Bose S, Vedral V, and Knight P L. Purification via entanglement swapping and conserved entanglement

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