High-efficient quantum secret sharing based on the Chinese remainder theorem via the orbital angular momentum entanglement analysis

Authors:
Ying Guo;Yuqian Zhao
Affiliations:
School of Information Science and Engineering, Central South University, Changsha, China 410083 and Institute of Information and Communication, Chonbuk National University, Jeonju, Korea 561-756;School of Information Science and Engineering, Central South University, Changsha, China 410083 and Institute of Information and Communication, Chonbuk National University, Jeonju, Korea 561-756
Venue:
Quantum Information Processing
Year:
2013

Citing 3
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Abstract

We investigate a novel quantum secret sharing (QSS) based on the Chinese remainder theory (CRT) in multi-dimensional Hilbert space with the orbital angular momentum (OAM) entanglement analysis. The secret is divided and then allotted to two or more participants who prepare pairs of photons in the OAM-entanglement states. The initial secret can be restored jointly by legal participants via the OAM-entanglement analysis on the corresponding photons. Its security is guaranteed from the OAM entanglement of photons that are established through the spin angular momentum (SAM) entanglement analysis performed on the generated SAM-based OAM hybrid entanglement photons. It provides an alternative technique for the QSS while producing the OAM entanglement photons in the combined multi-dimensional OAM Hilbert space, where the CRT is conducted properly for sharing the conventional secret among legal participants.