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Optics Communications

Quantum secret sharing protocol with four state Grover algorithm and its proof-of-principle experimental demonstration

Liang Hao, Chuan Xi Wang, Gui Lu Long

Published Apr 15, 2011• 48 citations
Publisher
DOI
10.1016/j.optcom.2011.03.039

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The work presents an amalgam of quantum search algorithm (QSA) and quantum secret sharing (QSS). The proposed QSS scheme utilizes Grover's three-particle quantum state. In this scheme, the dealer prepares an encoded state by encoding the classical information as a marked state and shares the states' qubits between three participants. The participants combine their qubits and find the marked state as a measurement result of the three-qubit state. The security analysis shows the scheme is stringent against malicious participants or eavesdroppers. In comparison to the existing schemes, our protocol fairs pretty well and has a high encoding capacity. The simulation analysis is done on the cloud platform IBM-QE thereby showing the practical feasibility of the scheme.