Experimental study of the dynamics of a diode-pumped Nd: YVO₄ laser under periodic modulation of losses

V.J. Pinto Robledo^a, G. Lopez^a, Y. M. Espinosa^a, A.N. Pisarchik^a, R. Jaimes Reátegui^b, and V, Aboites^a

^a Centro de Investigaciones en Óptica, Loma del Bosque 115, León Gto., 37100 México. e-mail: vpinto@cio.mx

^b Universidad de Guadalajara, Centro Universitario de los Lagos, Av. Enrique Díaz de León s/n Paseos de la montaña Lagos de Moreno Jal. 47460 México.

Abstract

With the aim of developing experiments for teaching dynamics of complex systems and stabilization methods in lasers, we study the dynamics of a diode-pumped Nd:YVO₄ laser under periodic loss modulation produced with an acousto-optic modulator and a function generator. Our goal is stabilization of the laser oscillations in a chosen dynamical state. The results obtained with the rate-equation model for different modulation schemes are in a good agreement with the experiments.

Keywords: Chaos on lasers; laser dynamics; Nd:YVO₄ lasers.

PACS: 05.45.Gg; 95.10.Fh; 42.65.SF

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