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Electro-optic effects and electroabsorption in a GaAs/AlGaAs multiquantum-well heterostructure near the bandgap

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3 Author(s)
Glick, M. ; Ecole polytechnique Fédérale, Institut de physique appliquée, Lausanne, Switzerland ; Pavuna, D. ; Reinhart, F.K.

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.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 23 )