Abstract
We show that electric field-induced decoupling of electronic slates in semiconductor superlattices can be used to provide efficient electrooptic modulation. At a photon energy of 1.66 eV, a larger than 3000-cm−1 absorption change due to a blue shift of the superlattice absorption edge was observed at room temperature in superlattices with periods of 20-Å GaAs/20-Å Ga0.5Al0.5As.
© 1989 Optical Society of America
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