Synchronization of chaotic diode resonators by occasional proportional feedback

Abstract
Synchronization of a pair of chaotic diode resonators has been experimentally achieved by applying a minute feedback signal to the amplitude of the drive voltage of a slave resonator. The signal is proportional to the voltage difference between the two resonators and is applied for a fraction of the driving cycle. This method is the synchronization analog of the occasional proportional feedback scheme developed by Hunt for controlling unstable periodic orbits in chaotic attractors.

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