Multipartite electronic entanglement purification using quantum-dot spin and microcavity system

  • Authors:

  • Chuan Wang;Ru Zhang;Yong Zhang;Hai-Qiang Ma

  • Affiliations:

  • State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing, People's Republic of China 100876;State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing, People's Republic of China 100876;State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing, People's Republic of China 100876;State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing, People's Republic of China 100876

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2013

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Abstract

This paper presents an entanglement purification protocol of multipartite electronic spin entangled state resorting to quantum-dot (QD) spin and micro cavity coupled system. The QD and microcavity coupling system is used to construct parity check detectors which provides a novel experimental platform of quantum information processing with photon and solid qubit. In this proposed protocol, the mixed multi-electron entangled state ensemble can be purified efficiently.