Efficient two-step entanglement concentration for arbitrary W states
文献类型：期刊论文
| 作者 | Sheng, YB ; Zhou, L ; Zhao, SM |
| 刊名 | PHYSICAL REVIEW A
 |
| 出版日期 | 2012 |
| 卷号 | 85期号:4 |
| 关键词 | QUANTUM CRYPTOGRAPHY KERR NONLINEARITY NOISY CHANNELS PURIFICATION COMMUNICATION COMPUTATION SECRET TELEPORTATION DISTILLATION PROTOCOLS |
| ISSN号 | 1050-2947 |
| 通讯作者 | Sheng, YB: Nanjing Univ Posts & Telecommun, Inst Signal Proc Transmiss, Nanjing 210003, Jiangsu, Peoples R China. |
| 中文摘要 | We present two two-step practical entanglement concentration protocols for concentrating an arbitrary three-particle less-entangled W state into a maximally entangled W state assisted with single photons. The first protocol uses the linear optics and the second protocol adopts the cross-Kerr nonlinearity to perform the protocol. In the first protocol, based on the postselection principle, three parties say Alice, Bob, and Charlie in different distant locations can obtain the maximally entangled W state from the arbitrary less-entangled W state with a certain success probability. In the second protocol, the parties are not required to possess the sophisticated single-photon detectors and the concentrated photon pair can be retained after performing this protocol successfully. Moreover, the second protocol can be repeated to get a higher success probability. Both protocols may be useful in practical quantum-information applications. |
| 收录类别 | SCI |
| 资助信息 | National Natural Science Foundation of China [11104159]; Scientific Research Foundation of Nanjing University of Posts and Telecommunications [NY211008]; University Natural Science Research Foundation of JiangSu Province [11KJA510002]; Key Lab of Broadband Wireless Communication and Sensor Network Technology (Nanjing University of Posts and Telecommunications), Ministry of Education, China; Priority Academic Program Development of Jiangsu Higher Education Institutions |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/36872]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Sheng, YB,Zhou, L,Zhao, SM. Efficient two-step entanglement concentration for arbitrary W states[J]. PHYSICAL REVIEW A,2012,85(4). |
| APA | Sheng, YB,Zhou, L,&Zhao, SM.(2012).Efficient two-step entanglement concentration for arbitrary W states.PHYSICAL REVIEW A,85(4). |
| MLA | Sheng, YB,et al."Efficient two-step entanglement concentration for arbitrary W states".PHYSICAL REVIEW A 85.4(2012). |
入库方式： OAI收割
来源：物理研究所
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