Mindlin, G.B.; Duarte, A.A; Giudici, M.; Green, C.; … - In: Physica A: Statistical Mechanics and its Applications 257 (1998) 1, pp. 547-556
We construct a dynamical model from experimental data obtained in a semiconductor laser system with optical feedback. We show that the low-frequency fluctuations arise from an inverse saddle node bifurcation and that the laser behaves as any other excitable system.