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Updated: Jul 13, 2026
An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
Published on: October 23, 2018
Tunable vertical-cavity surface-emitting laser with feedback to implement a pulsed neural model. 1. Principles and
Alexandre R S Romariz1, Kelvin H Wagner
1Departamento de Engenharia Elétrica, Universidade de Brasília, Distrito Federal, Brazil. romariz@ene.unb.br
Abstract:
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.
