Experimental demonstration of four-party quantum secret sharing

Details Experimental demonstration of four-party quantum secret sharing Experimental demonstration of four-party quantum secret sharing

2006-10-13

arxiv.org/abs/quant-ph/0610112v1

Phys. Rev. Lett. 98, 020503 (2007)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevLett.98.020503

Secret sharing is a multiparty cryptographic task in which some secret information is splitted into several pieces which are distributed among the participants such that only an authorized set of participants can reconstruct the original secret. Similar to quantum key distribution, in quantum secret sharing, the secrecy of the shared information relies not on computational assumptions, but on laws of quantum physics. Here, we present an experimental demonstration of four-party quantum secret sharing via the resource of four-photon entanglement.

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