Quantum secret sharing protocol using modulated doubly entangled photons
Wang Chuan(王川)† and Zhang Yong(张勇)
School of Science and Key Laboratory of Optical Communication and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China
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.
Received: 07 November 2008
Revised: 02 December 2008
Accepted manuscript online:
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