Formation of ultrashort light pulses in a laser with a bleachable filter by intracavity generation of Raman emission

Results are presented of numerical experiments to investigate the dynamics of ultrashort light pulse generation in a laser with a bleachable filter when a Raman-active medium having a wide gain profile is introduced into the laser resonator. It is found that intracavity Raman frequency conversion of ultrashort pulses in a master oscillator opens up prospects for achieving limiting durations determined by the reciprocal width of the gain profile of the active medium and by the width of the spontaneous Raman scattering line.