Theoretically efficient high-capacity quantum-key-distribution scheme

被引:1568
作者
Long, GL [1 ]
Liu, XS
机构
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[2] Minist Educ, Key Lab Quantum Informat & Measurements, Beijing 100084, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] Tsinghua Univ, Ctr Atom Mol & Nanosci, Beijing 100084, Peoples R China
[5] Shandong Normal Univ, Dept Phys, Jinan 250015, Peoples R China
来源
PHYSICAL REVIEW A | 2002年 / 65卷 / 03期
关键词
D O I
10.1103/PhysRevA.65.032302
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A theoretical quantum key distribution scheme using Einstein-Podolsky-Rosen (EPR) pairs is presented. This scheme is efficient in that it uses all EPR pairs in distributing the key except those chosen for checking eavesdroppers. The high capacity is achieved because each EPR pair carries 2 bits of key code.
引用
收藏
页数:3
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