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单光子纠缠态的纠缠转移和量子隐形传态
引用本文:蔡新华,聂建军,郭杰荣.单光子纠缠态的纠缠转移和量子隐形传态[J].光子学报,2006,35(5):776-779.
作者姓名:蔡新华  聂建军  郭杰荣
作者单位:湖南文理学院物理与电子科学系,湖南,415000
基金项目:Acknowledgement The authors would like to thank professor Kuang Leman for his helpful discussions.Supported by the Science Research Foundation of Hunan Provincial Education Department (No 02C098) and the Science Research Foundation of Hunan University of Arts and Science (No JJZD 0502)
摘    要:使用光学分束器和单光子源,利用单光子态和真空态制备出了纠缠单光子态.利用光学分束器作用和单光子探测,实现了三个通讯伙伴之间的纠缠转移.提出了一个关于纠缠单光子态的量子隐形传态方案.在这个方案中,被传送的是一个未知的单光子纠缠态.通讯双方使用的量子信道是两个单光子纠缠态.通过使用分束器作用和对输出态进行光子测量以及在经典信息的帮助下,纠缠转移和量子隐形传态的过程被完成.

关 键 词:量子信息  量子纠缠  纠缠转移  量子隐形传态
收稿时间:2005-01-20
修稿时间:2005年1月20日

Entanglement Translation and Quantum Teleportation of the Single-photon Entangled State
Cai Xinhua,Nie Jianjun,Guo Jierong.Entanglement Translation and Quantum Teleportation of the Single-photon Entangled State[J].Acta Photonica Sinica,2006,35(5):776-779.
Authors:Cai Xinhua  Nie Jianjun  Guo Jierong
Institution:Department of Physics and Electronics, Hunan University of Arts and Science, Hunan 415000
Abstract:A method of generating the single-photon entangled states of a single photon state and a vacuum state through utilizing optical beam-splitter and single-photon source is described. A setup for realizing entanglement translation of the single-photon entangled state is designed. A proposal is presented for teleporting an unknown single-photon entangled state. In this proposed, the two single-photon entangled states is utilized as the quantum channel. The process of the entanglement translation and quantum teleportation are achieved by using the 50/50 symmetric beam splitters and the photon detectors with the help of classical information.
Keywords:Quantum information  Quantum entanglement  Entanglement translation  Quantum teleportation  
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