Comptes Rendus
no. 6
Synchronization of chaos in microchip lasers and its communication applications
[Synchronisation de chaos dans les micro-lasers et ses applications aux communications]

Présenté par : Guy Laval

Atsushi Uchida1, 2  ; Shigeru Yoshimori1
1 Department of Electronics and Computer Systems, Takushoku University, 815-1 Tatemachi, Hachioji, Tokyo 193-0985, Japan
2 Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742, USA
Comptes Rendus. Physique, Volume 5 (2004) no. 6, pp. 643-656.

Nous passons en revue une démonstration expérimentale et numérique de synchronisation entre dynamiques chaotiques produites dans des micro-lasers solide Nd :YVO4 ; une application de cette synchronisation aux communications est étudiée. Différentes configurations de couplage sont discutées. Nous démontrons également plusieurs schémas de codage et décodage utilisant des micro-lasers en régimes chaotiques synchronisés à des fins de communication. Enfin, une nouvelle approche cryptographique utilisant les dynamiques chaotiques est proposée, dont la sécurité est discutée à partir d'éléments de théorie de l'information.

We overview some experimental and numerical demonstrations on the synchronization of chaos and its communication applications using Nd:YVO4 microchip solid-state lasers. Synchronization of chaos is achieved with several coupling configurations. Several encoding and decoding schemes for communication applications are also demonstrated by using the synchronization of chaos in microchip lasers. A new approach to secure communications using chaos based on information theoretic security is introduced.

Publié le :
DOI : 10.1016/j.crhy.2004.05.001
Keywords: Synchronization, Chaos, Communication, Microchip laser, Security, Encoding, Decoding, Information theory
Mot clés : Synchronisation, Chaos, Communication, Micro-laser, Sécurité, Codage, Décodage, Théorie de l'information
Atsushi Uchida 1, 2 ; Shigeru Yoshimori 1

1 Department of Electronics and Computer Systems, Takushoku University, 815-1 Tatemachi, Hachioji, Tokyo 193-0985, Japan
2 Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742, USA 
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Atsushi Uchida; Shigeru Yoshimori. Synchronization of chaos in microchip lasers and its communication applications. Comptes Rendus. Physique, Volume 5 (2004) no. 6, pp. 643-656. doi : 10.1016/j.crhy.2004.05.001. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2004.05.001/

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