Anticipating synchronization of two chaotic laser diodes by incoherent optical coupling and its application to secure communications

被引：32
|
作者：
Rogister, F
Pieroux, D
Sciamanna, M
Mégret, P
Blondel, M
机构：
[1] Fac Polytech Mons, Serv Electromagnetisme & Telecommun, B-7000 Mons, Belgium
[2] Free Univ Brussels, B-1050 Brussels, Belgium
来源：
OPTICS COMMUNICATIONS | 2002年 / 207卷 / 1-6期
关键词：
D O I：
10.1016/S0030-4018(02)01494-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate anticipating synchronization between two chaotic laser diodes respectively subjected to incoherent optical feedback and incoherent optical injection. We investigate the robustness of the synchronization with respect to small parameter mismatches and spontaneous emission noise. We show that the gain saturation strongly enhances the synchronization quality. We demonstrate that anticipating synchronization can be applied to cryptographic purposes. We check how difficult it is to intercept a message encoded by chaos shift keying without an adequate replica of the transmitter laser. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：295 / 306
页数：12
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