Title :
Electro-optic effects and electroabsorption in a GaAs/AlGaAs multiquantum-well heterostructure near the bandgap
Author :
Glick, Madeleine ; Pavuna, D. ; Reinhart, F.K.
Author_Institution :
Ecole polytechnique Fédérale, Institut de physique appliquée, Lausanne, Switzerland
Abstract :
We report phase difference measurements at 50 and 30 meV from the excitonic peak of a GaAs/AlGaAs multiquantum-well structure. We find pronounced dispersion of the quadratic effect; in contrast, we see no indication of dispersion in the linear effect even this close to the bandgap.
Keywords :
III-V semiconductors; aluminium compounds; electro-optical effects; electroabsorption; gallium arsenide; semiconductor junction lasers; semiconductor superlattices; 30 meV; 50 meV; GaAs-AlGaAs; bandgap; electroabsorption; excitonic peak; linear effect; multiquantum-well heterostructure; phase difference measurements; pronounced dispersion; quadratic effect;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870860
