Abstract
The multiparty quantum secret sharing protocol [Deng et al. in Chin. Phys. Lett. 23: 1084–1087, 2006] is revisited in this study. It is found that the performance of Deng et al.’s protocol can be much improved by using the techniques of block-transmission and decoy single photons. As a result, the qubit efficiency is improved 2.4 times and only one classical communication, a public discussion, and two quantum communications between each agent and the secret holder are needed rather than n classical communications, n public discussions, and \(\frac{3n}{2}\) quantum communications required in the original scheme.
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Hwang, T., Hwang, CC., Yang, CW. et al. Revisiting Deng et al.’s Multiparty Quantum Secret Sharing Protocol. Int J Theor Phys 50, 2790–2798 (2011). https://doi.org/10.1007/s10773-011-0777-z
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DOI: https://doi.org/10.1007/s10773-011-0777-z