中国物理B ›› 2014, Vol. 23 ›› Issue (2): 20313-020313.doi: 10.1088/1674-1056/23/2/020313

• GENERAL • 上一篇    下一篇

Electronic cluster state entanglement concentration based on charge detection

刘炯a c, 赵圣阳a c, 周澜a b, 盛宇波a c   

  1. a Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, Nanjing 210003, China;
    b College of Mathematics & Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    c Institute of Signal Processing Transmission, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • 收稿日期:2013-05-19 修回日期:2013-07-16 出版日期:2013-12-12 发布日期:2013-12-12
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11104159 and 11347110), the University Natural Science Research Project of Jiangsu Province of China (Grant No. 13KJB140010), the Open Research Fund Program of National Laboratory of Solid State Microstructures, Nanjing University (Grant No. M25022), the Open Research Fund of Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education (Grant No. NYKL201303), and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Electronic cluster state entanglement concentration based on charge detection

Liu Jiong (刘炯)a c, Zhao Sheng-Yang (赵圣阳)a c, Zhou Lan (周澜)a b, Sheng Yu-Bo (盛宇波)a c   

  1. a Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, Nanjing 210003, China;
    b College of Mathematics & Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    c Institute of Signal Processing Transmission, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • Received:2013-05-19 Revised:2013-07-16 Online:2013-12-12 Published:2013-12-12
  • Contact: Sheng Yu-Bo E-mail:shengyb@njupt.edu.cn
  • About author:03.67.Hk; 03.65.Ud; 03.67.Lx
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11104159 and 11347110), the University Natural Science Research Project of Jiangsu Province of China (Grant No. 13KJB140010), the Open Research Fund Program of National Laboratory of Solid State Microstructures, Nanjing University (Grant No. M25022), the Open Research Fund of Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education (Grant No. NYKL201303), and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

摘要: We propose an efficient entanglement concentration protocol (ECP) based on electron-spin cluster states assisted with single electrons. In the ECP, we adopt the electron polarization beam splitter (PBS) and the charge detector to construct the quantum nondemolition measurement. According to the result of the measurement of the charge detection, we can ultimately obtain the maximally entangled cluster states. Moreover, the discarded items can be reused in the next round to reach a high success probability. This ECP may be useful in current solid quantum computation.

关键词: entanglement concentration, quantum computation, cluster states

Abstract: We propose an efficient entanglement concentration protocol (ECP) based on electron-spin cluster states assisted with single electrons. In the ECP, we adopt the electron polarization beam splitter (PBS) and the charge detector to construct the quantum nondemolition measurement. According to the result of the measurement of the charge detection, we can ultimately obtain the maximally entangled cluster states. Moreover, the discarded items can be reused in the next round to reach a high success probability. This ECP may be useful in current solid quantum computation.

Key words: entanglement concentration, quantum computation, cluster states

中图分类号:  (Quantum communication)

  • 03.67.Hk
03.65.Ud (Entanglement and quantum nonlocality) 03.67.Lx (Quantum computation architectures and implementations)