Enhancement of GAO's Multiparty Quantum SecretSharing |
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| Authors: | Cheng-Chieh Hwang Tzonelih Hwang Chuan-Ming Li |
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| Affiliation: | 1.Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan 701, Taiwan 2.Department of Information Management, Shu-Zen College of Medicine and Management, Kaohsiung 821, Taiwan |
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| Abstract: | A multiparty quantum secret sharing (MQSS) protocol with two-photon three-dimensional Bell states was proposed by Gao [Commun. Theor. Phys.52 (2009) 421] recently. This study points out that the performance of Gao's protocol can be much improved by using the technique of decoy single photons
and carefully modifying the protocol to remove some unnecessary unitary operations, devices, and transmissions. |
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| Keywords: | quantum secret sharing Greenberger-Horne-Zeilinger state |
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