Multiparty quantum secret sharing with pure entangled states and decoy photons

Ping Zhou, Xi-Han Li, Yu-Jie Liang, Fu-Guo Deng and Hong-Yu Zhou

Physica A: Statistical Mechanics and its Applications, 2007, vol. 381, issue C, 164-169

Abstract: We present a scheme for multiparty quantum secret sharing of a private key with pure entangled states and decoy photons. The boss, say Alice uses the decoy photons, which are randomly in one of the four nonorthogonal single-photon states, to prevent a potentially dishonest agent from eavesdropping freely. This scheme requires the parties of communication to have neither an ideal single-photon quantum source nor a maximally entangled one, which makes this scheme more convenient than others in a practical application. Moreover, it has the advantage of having high intrinsic efficiency for qubits and exchanging less classical information in principle.

Keywords: Quantum secret sharing; Quantum communication; Pure entangled states; Decoy photons (search for similar items in EconPapers)
Date: 2007
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:381:y:2007:i:c:p:164-169

DOI: 10.1016/j.physa.2007.04.018

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