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Encoded Gbit/s digital communications with synchronized chaotic semiconductor lasers

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4 Author(s)
Sanchez-Diaz, A. ; Inst. de Estructura de la Mater., CSIC, Madrid, Spain ; Mirasso, C.R. ; Colet, P. ; Garcia-Fernandez, P.

We numerically study the synchronization of two chaotic semiconductor lasers in a master-slave configuration. To synchronize the lasers, a small amount of output power from the master laser is injected, after propagating through an optical fiber, into the slave laser. We show that the output of the master laser can be used as a chaotic carrier to encode a digital message which can be recovered after propagating long distances. We also check the robustness of this scheme when the two lasers are slightly different

Published in:

Quantum Electronics, IEEE Journal of  (Volume:35 ,  Issue: 3 )