Abstract

The evolution of ultrashort pulses in semiconductor laser amplifiers is modeled, including the effects of gain dispersion, slow and fast carrier dynamics, and self-phase modulation, which includes an instantaneous response (n2). The temporal and spectral evolution of 2-ps and 500-fs pulses differ considerably. This is due mainly to saturation caused by the fast (heating) dynamics and to the phase modulation by n2.

© 1992 Optical Society of America

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