Encrypted audio transmission via synchronized chaotic Nd:YAG lasers

In this paper, encrypted audio transmission via synchronization of coupled chaotic Nd:YAG lasers in master-slave configuration is numerically studied. In particular, we resort to recent results from complex systems theory to achieve chaos synchronization. So that, enconding, transmission, and decodi...

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Detalles Bibliográficos
Autores: L. Cardoza-Avendaño, R.M. López-Gutiérrez, C. Cruz-Hernández, V.V. Spirin, R.A. Chávez-Pérez, A. Arellano-Delgado
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2012
País:México
Institución:Universidad Autónoma de Baja California
Repositorio:Redalyc-UABC
OAI Identifier:oai:redalyc.org:57025091005
Acceso en línea:https://www.redalyc.org/articulo.oa?id=57025091005
Access Level:acceso abierto
Palabra clave:Física, Astronomía y Matemáticas
encryption
complex networks
chaotic Nd:YAG laser
Chaos synchronization
private optical communication
Descripción
Sumario:In this paper, encrypted audio transmission via synchronization of coupled chaotic Nd:YAG lasers in master-slave configuration is numerically studied. In particular, we resort to recent results from complex systems theory to achieve chaos synchronization. So that, enconding, transmission, and decoding of confidential audio messeges in chaotic optical communications are presented. In addition, we show transmission of encrypted audio messages when parameter mismatch and channel noise are considered. In order to illustrate this robustness synchronization property, we present the encrypted transmission of audio messages via an improved chaotic transmitted signal, and we obtain at the receiver that, the original audio message is appropriatelly recovered.