中国物理B ›› 2009, Vol. 18 ›› Issue (8): 3238-3242.doi: 10.1088/1674-1056/18/8/024

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Quantum secret sharing protocol using modulated doubly entangled photons

王川, 张勇   

  1. School of Science and Key Laboratory of Optical Communication and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 收稿日期:2008-11-07 修回日期:2008-12-02 出版日期:2009-08-20 发布日期:2009-08-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10704010).

Quantum secret sharing protocol using modulated doubly entangled photons

Wang Chuan(王川)† and Zhang Yong(张勇)   

  1. School of Science and Key Laboratory of Optical Communication and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2008-11-07 Revised:2008-12-02 Online:2009-08-20 Published:2009-08-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10704010).

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摘要： In this paper, we propose a quantum secret sharing protocol utilizing polarization modulated doubly entangled photon pairs. The measurement devices are constructed. By modulating the polarizations of entangled photons, the boss could encode secret information on the initial state and share the photons with different members to realize the secret sharing process. This protocol shows the security against intercept-resend attack and dishonest member cheating. The generalized quantum secret sharing protocol is also discussed.

Abstract: In this paper, we propose a quantum secret sharing protocol utilizing polarization modulated doubly entangled photon pairs. The measurement devices are constructed. By modulating the polarizations of entangled photons, the boss could encode secret information on the initial state and share the photons with different members to realize the secret sharing process. This protocol shows the security against intercept-resend attack and dishonest member cheating. The generalized quantum secret sharing protocol is also discussed.

Key words: quantum secret sharing, doubly entangled photons

中图分类号:  (Quantum cryptography and communication security)

  • 03.67.Dd
03.65.Ud (Entanglement and quantum nonlocality) 03.67.Mn (Entanglement measures, witnesses, and other characterizations) 42.50.Dv (Quantum state engineering and measurements)