Journal
APPLIED OPTICS
Volume 46, Issue 21, Pages 4736-4745Publisher
Optica Publishing Group
DOI: 10.1364/AO.46.004736
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An optoelectronic implementation of a modified FitzHugh-Nagumo neuron model is proposed, analyzed, and experimentally demonstrated. The setup uses linear optics and linear electronics for implementing an optical wavelength-domain nonlinearity. The system attains instability through a bifurcation mechanism present in a class of neuron models, a fact that is shown analytically. The implementation exhibits basic features of neural dynamics including threshold, production of short pulses (or spikes), and refractoriness. (c) 2007 Optical Society of America.
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