Abstract

Effects of coherent interaction of ultrashort pulses with an injection laser active medium are investigated both theoretically and experimentally. A breakup of the picosecond pulse envelop into subpulses and a train of coherent pulses with a repetition rate nearly 100 GHz are observed for the first time. The theoretical treatment of the laser dynamics is based on the Maxwell-Bloch equation taking into account the dependence of the intraband relaxation time on the electromagnetic field amplitude of the picosecond pulse, the inhomogenious line brodening mechanism and Raman scattering within the laser cavity.

© 1991 Optical Society of America