Quantum cryptographic device using single-photon phase modulation

被引：33
|
作者：
Mérolla, JM
Mazurenko, Y
Goedgebuer, JP
Duraffourg, L
Porte, H
Rhodes, WT
机构：
[1] Georgia Tech Lorraine, UMR CNRS 6603, GTL, CNRS Telecom, F-57070 Metz, France
[2] Univ Franche Comte, UMR 6603, Lab Opt PM Duffieux, F-25030 Besancon, France
来源：
PHYSICAL REVIEW A | 1999年 / 60卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.60.1899
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a particular implementation of a quantum cryptographic device operating at 1540-nm wavelength and involving interference between phase-modulated sidebands produced by a pair of phase modulators in the transmitting and receiving modules. The principle of operation is described in terms of both classical and quantum optics. The method has been demonstrated experimentally using a strongly attenuated semiconductor laser diode. Single photon interference has been obtained with a fringe visibility greater than 90%, indicating that the system can be used for quantum key distribution. [S1050-2947(99)06608-1].
引用
收藏
页码：1899 / 1905
页数：7
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