We develop a statistical model to study all the relevant phenomena that can give rise to an anomalous intensity saturation in the propagation of incoherent pulses in a laser amplifier. The interplay among diffraction, self-focusing, group-velocity dispersion, gain narrowing, and gain saturation is investigated. Changes in the temporal and spatial characteristics of the pulses are shown.
© 1998 Optical Society of America
J. Garnier, L. Videau, C. Gouédard, and A. Migus, "Propagation and amplification of incoherent pulses in dispersive and nonlinear media," J. Opt. Soc. Am. B 15, 2773-2781 (1998)