High-capacity (2,3) threshold quantum secret sharing based on asymmetric quantum lossy channels

Lai, Hong, Pieprzyk, Josef, Luo, Ming-Xing, Zhan, Cheng, Pan, Lei and Orgun, Mehmet A. 2020, High-capacity (2,3) threshold quantum secret sharing based on asymmetric quantum lossy channels, Quantum Information Processing, vol. 19, pp. 1-13, doi: 10.1007/s11128-020-02647-z.

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Title High-capacity (2,3) threshold quantum secret sharing based on asymmetric quantum lossy channels
Author(s) Lai, Hong
Pieprzyk, Josef
Luo, Ming-Xing
Zhan, Cheng
Pan, LeiORCID iD for Pan, Lei orcid.org/0000-0002-4691-8330
Orgun, Mehmet A.
Journal name Quantum Information Processing
Volume number 19
Article ID 157
Start page 1
End page 13
Total pages 13
Publisher Springer
Place of publication Berlin, Germany
Publication date 2020
ISSN 1570-0755
Keyword(s) (2,3) threshold quantum secret sharing
Asymmetric quantum lossy channel
Orbital angular momentum
Summary The main weakness of entanglement is its sensitiveness to the photon loss. In this paper, we exploit the different transmission losses of the free-space and optical fiber quantum channels, to develop a novel approach for (2,3) threshold quantum secret sharing (QSS) of classical information. To be exact, the Dealer Alice allocates W-state to three participants Bob, Charlie and David in terms of the asymmetric losses of their quantum channels, preventing any one participant from recovering the secret alone, but allowing any two of them to recover the secret. In such a way, Alice can flexibly choose the suitable degree of freedom to allocate the quantum shares with respect to the loss characteristics of different quantum channels. Our proposed scheme improves the information capacity from three bits to (log2 +2) bits, where m denotes the dimension of orbital angular momentum, and improves the security and flexibility of quantum communication, confirming QSS as a realistic technology for safeguarding secret shares in transmission. This work opens a convenient and favorable way to perform QSS.
Language eng
DOI 10.1007/s11128-020-02647-z
Indigenous content off
Field of Research 0105 Mathematical Physics
0206 Quantum Physics
0802 Computation Theory and Mathematics
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30136026

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