Phase-modulated free space quantum key distribution

被引:12
|
作者
Miao, EL [1 ]
Mo, XF [1 ]
Gui, YZ [1 ]
Han, ZF [1 ]
Guo, GC [1 ]
机构
[1] Univ Sci & Technol China, Key Lab Quantum Informat, Hefei 230026, Peoples R China
关键词
unbalanced Mech-Zehnder interferometer; quantum key distribution;
D O I
10.7498/aps.53.2123
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have realized the phase-modulated free space quantum key distribution (QKD) of a distance 12m, based on the unbalanced Mach-Zehnder interferometer. The set up is stable and secure and it is proved that the phase can be used as coding in the free space QKD just like the polarization.
引用
收藏
页码:2123 / 2126
页数:4
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