Characterization of the chaos generated by semiconductor lasers subject to electro-optical and all-optical feedback

We characterize the chaotic dynamics of semiconductor lasers subject to either optical or electro-optical feedback. This characterization is relevant for secure optical communications based on chaos encryption. In particular, we compute as function of system parameters the following quantifiers: Lya...

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Bibliographic Details
Published in2003 European Quantum Electronics Conference (EQEC 2003) : 22-27 June 2003, Munich ICM, Germany p. 154
Main Authors Vicente, R., Dauden, J.L., Colet, P., Toral, R.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2003
Subjects
Chaos
Chaotic communication
Character generation
Laser feedback
Lasers and electrooptics
Loss measurement
Optical feedback
Particle measurements
Phase measurement
Semiconductor lasers
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ISBN9780780377332
0780377338
DOI10.1109/EQEC.2003.1314011

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Summary:We characterize the chaotic dynamics of semiconductor lasers subject to either optical or electro-optical feedback. This characterization is relevant for secure optical communications based on chaos encryption. In particular, we compute as function of system parameters the following quantifiers: Lyapunov spectrum (which measures the rate at which the distance between infinitesimally close solutions increases in time), the Kaplan-Yorke dimension (conjectured to be equal to the information dimension which measures the amount of information needed to locate the system in phase space with infinitesimal accuracy) and the Kolmogorov-Sinai entropy (which measures the average loss of information rate, or equivalently is inversely proportional to the time interval over which the future evolution can be predicted).
ISBN:9780780377332
0780377338
DOI:10.1109/EQEC.2003.1314011