Chaos-on-a-chip secures data transmission in optical fiber links

被引:116
作者
Argyris, Apostolos [1 ]
Grivas, Evangellos [1 ]
Hamacher, Michael [2 ]
Bogris, Adonis [1 ]
Syvridis, Dimitris [1 ]
机构
[1] Univ Athens, Dept Informat & Telecommun, Panepistimiopolis 15784, Ilisia, Greece
[2] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Fraunhofer Inst Telecommun, D-10587 Berlin, Germany
关键词
CAVITY SEMICONDUCTOR-LASERS; NONLINEAR DYNAMICS; CLOSED-LOOP; SYNCHRONIZATION; FEEDBACK; SYSTEMS; COMMUNICATION; OUTPUT;
D O I
10.1364/OE.18.005188
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Security in information exchange plays a central role in the deployment of modern communication systems. Besides algorithms, chaos is exploited as a real-time high-speed data encryption technique which enhances the security at the hardware level of optical networks. In this work, compact, fully controllable and stably operating monolithic photonic integrated circuits (PICs) that generate broadband chaotic optical signals are incorporated in chaos-encoded optical transmission systems. Data sequences with rates up to 2.5 Gb/s with small amplitudes are completely encrypted within these chaotic carriers. Only authorized counterparts, supplied with identical chaos generating PICs that are able to synchronize and reproduce the same carriers, can benefit from data exchange with bitrates up to 2.5Gb/s with error rates below 10(-12). Eavesdroppers with access to the communication link experience a 0.5 probability to detect correctly each bit by direct signal detection, while eavesdroppers supplied with even slightly unmatched hardware receivers are restricted to data extraction error rates well above 10(-3). (C) 2010 Optical Society of America
引用
收藏
页码:5188 / 5198
页数:11
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