Quantum key distribution over 25 km using a fibre set-up based on continuous variables

被引:0
|
作者
Lodewyck, J. [1 ,2 ]
Bloch, M. [3 ]
Fossier, S. [2 ]
Diamanti, E. [1 ]
Debuisschert, T. [2 ]
Tualle-Brouri, R. [1 ]
Grangier, P. [1 ]
机构
[1] Inst Opt, Lab Charles Fabry, F-91127 Palaiseau, France
[2] Thales Res & Technol France, F-91767 Palaiseau, France
[3] Georgia Tech Lorraine CNRS Telecom, F-57070 Metz, France
关键词
D O I
10.1051/anphys:2008033
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We describe a continuous variable quantum key distribution set-up allowing for secret key rates over 2 kbits/s on a 25 km fibre link. The signal and the phase reference are time-multiplexed in the same fibre. The system is designed to be operated on an installed fibre link. The reconciliation step is performed using fast and efficient LDPC error correcting codes.
引用
收藏
页码:163 / 165
页数:3
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