FEMTOSECOND STUDY OF THE OPTICAL STARK EFFECT IN MULTIPLE QUANTUM WELL STRUCTURES

M. Joffre , D. Hulin , A. Antonetti

Excitonic resonances in MQWS can be strongly affected by exciting the semiconductor in the transparency region. This optical Stark effect shows up as a blue shift of the excitonic lines associated with a reduction of the oscillator strenght and is apparent only while the electromagnetic field is present. We have studied the dependence of this shift as a function of intensity and showed in particular how its saturation is related to the oscillator strength reduction.

Domaines: Articles anciens

M. Joffre, D. Hulin, A. Antonetti. FEMTOSECOND STUDY OF THE OPTICAL STARK EFFECT IN MULTIPLE QUANTUM WELL STRUCTURES. Journal de Physique Colloques, 1987, 48 (C5), pp.C5-537-C5-540. ⟨10.1051/jphyscol:19875115⟩. ⟨jpa-00226698⟩