COHERENT TRANSIENTS IN CDSSE MICROCRYSTALLITES DOPED IN GLASSES

Coherent transient effects, in CdSSe microcrystallites are observed by a pump-probe measurement. The probe transmission shows oscillatory st ructures in the temporal and spectral domains when the probe reaches t he sample before the pump. This oscillation is attributed to the photo n echo propagating in the direction of the probe. The A-B splitting of the valence sublevel in CdSSe microcrystallites hidden in the wide in homogeneous broadening can be resolved using the polarization dependen ce of the transitions from A and B valence sublevels to the conduction sublevel.