Grapinet Mélanie, Udaltsov Vladimir, Jacquot Maxime, Lacourt Pierre-Ambroise, Dudley John M, Larger Laurent
FEMTO-ST Institute, UMR CNRS 6174 / Optics Department, University of Franche-Comté, 16 route de Gray, 25030 Besançon Cedex, France.
Chaos. 2008 Mar;18(1):013110. doi: 10.1063/1.2839910.
We describe experimental studies of the dynamical behavior of a recently proposed electro-optic discrete time nonlinear delay oscillator. With appropriate choice of the oscillator loop parameters and external forcing of the dynamics using a pulsed laser source, the system allows for the physical realization of a high dimensional mathematical nonlinear mapping. The dynamical features observed with this new class of discrete time delay oscillator differ significantly from those observed with similar continuous time nonlinear delay feedback oscillators and reveal the intrinsic discrete time nature of the dynamics. We also discuss specific applications to chaos communications using regularly clocked binary data.
我们描述了对最近提出的电光离散时间非线性延迟振荡器动力学行为的实验研究。通过适当选择振荡器环路参数，并使用脉冲激光源对动力学进行外部驱动，该系统能够实现高维数学非线性映射的物理实现。这类新型离散时间延迟振荡器所观察到的动力学特征与类似的连续时间非线性延迟反馈振荡器所观察到的特征有显著差异，揭示了动力学的内在离散时间性质。我们还讨论了使用定时二进制数据在混沌通信方面的具体应用。
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