23 May 2005 Effect of chaotic noise on the performance of optical chaos cryptosystems
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Proceedings Volume 5847, Noise in Communication Systems; (2005) https://doi.org/10.1117/12.609296
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States
We investigate the detrimental effect of chaotic noise on the performance of an optical chaos cryptosystem. Hyperchaos is generated in the emitter and receiver systems with Mach-Zehnder interferometers fed by semiconductor lasers and subjected to electro-optical feedback. In this optical chaos cryptosystem, (chaotic) noise originates from the mismatch in parameters between the emitter and the receiver. We therefore determine the amplitude of this noise as a fonction of the parameter mismatch, and we evaluate its effect on the bit error rate (BER) performance of the communication system. Analytical predictions are confirmed by numerical simulations and experimental results.
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Yanne Chembo Kouomou, Yanne Chembo Kouomou, Pere Colet, Pere Colet, Laurent Larger, Laurent Larger, Nicolas Gastaud, Nicolas Gastaud, } "Effect of chaotic noise on the performance of optical chaos cryptosystems", Proc. SPIE 5847, Noise in Communication Systems, (23 May 2005); doi: 10.1117/12.609296; https://doi.org/10.1117/12.609296


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