Fault tolerant three-party quantum secret sharing against collective noise

被引：68

作者：

Gu, Bin ^{[1
,2
]}

Mu, Lili ^{[1
,2
]}

Ding, Liuguan ^{[1
,2
]}

Zhang, Chengyi ^{[1
,2
]}

Li, Chuanqi ^{[2
,3
]}

机构：

[1] Nanjing Univ Informat Sci & Technol, Coll Math & Phys, Nanjing 210044, Peoples R China

[2] Nanjing Univ Informat Sci & Technol, Photon Technol Lab, Nanjing 210044, Peoples R China

[3] Guangxi Normal Univ, Guilin 541004, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2010年 / 283卷 / 15期

基金：

中国国家自然科学基金;

关键词：

Quantum communication; Quantum secret sharing; Fault tolerant; Collective noise; STATE; ENTANGLEMENT; CRYPTOGRAPHY; EFFICIENT; MULTIPARTY; COMMUNICATION; PURIFICATION; INFORMATION; PROTOCOL; NETWORK;

D O I：

10.1016/j.optcom.2010.04.015

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present two robust three-party quantum secret sharing protocols against two kinds of collective noise. Each logical qubit is made up of two physical qubits and is invariant under a collective noise. The two agents encode their message on each logical qubit with two unitary physical operations on two physical qubits. As each logical qubit received by each agent can carry two bits of information and the classical information exchanged is reduced largely, these protocols have a high intrinsic efficiency. Moreover, the boss Alice can read out her agents' information with two Bell-state measurements on each four-qubit system, not four-photon joint measurements. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3099 / 3103

页数：5

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