Experimental demonstration of four-party quantum secret sharing

被引：155

作者：

Gaertner, S. ^{[1
]}

Kurtsiefer, C.

Bourennane, M.

Weinfurter, H.

机构：

[1] Univ Munich, Sekt Phys, D-80799 Munich, Germany

[2] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[4] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.98.020503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Secret sharing is a multiparty cryptographic task in which some secret information is split 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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页数：4

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