Information-theoretic secure key distribution based on common random-signal induced synchronization in unidirectionally-coupled cascades of semiconductor lasers

被引:73
|
作者
Koizumi, Hayato [1 ]
Morikatsu, Shinichiro [1 ]
Aida, Hiroki [1 ]
Nozawa, Takahiro [1 ]
Kakesu, Izumi [1 ]
Uchida, Atsushi [1 ]
Yoshimura, Kazuyuki [2 ]
Muramatsu, Jun [2 ]
Davis, Peter [2 ,3 ]
机构
[1] Saitama Univ, Dept Informat & Comp Sci, Sakura Ku, Saitama 3388570, Japan
[2] NTT Corp, NTT Commun Sci Labs, Seika, Kyoto 6190237, Japan
[3] Telecognix Corp, Sakyo Ku, Kyoto 6068314, Japan
来源
OPTICS EXPRESS | 2013年 / 21卷 / 15期
关键词
OPTICAL FEEDBACK; CHAOTIC-SIGNAL; CRYPTOGRAPHY; GENERATION; INJECTION; TRANSMISSION; AGREEMENT;
D O I
10.1364/OE.21.017869
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It has been proposed that a secure key distribution scheme using correlated random bit sequences can be implemented using common random-signal induced synchronization of semiconductor laser systems. In this scheme it is necessary to use laser systems consisting of multiple cascaded lasers to be secure against a powerful eavesdropper. In this paper, we report the results of an experimental study that demonstrate that the common random-signal induced synchronization is possible in cascaded semiconductor laser systems. We also show that the correlated random bit sequences generated in the synchronized cascaded laser systems can be used to create an information-theoretically secure key between two legitimate users. (C) 2013 Optical Society of America
引用
收藏
页码:17869 / 17893
页数:25
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