Electro-Optical Bistability and Multistability in GaAs/AlAs Superlattices with Different Miniband Widths
- 1 September 1991
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 30 (9A) , L1542
- https://doi.org/10.1143/jjap.30.l1542
Abstract
We have studied room temperature operation of self-electro-optic effect devices utilizing Wannier-Stark localization in GaAs/AlAs superlattices by photocurrent spectroscopy. Correlation between device characteristics and superlattice structures is studied in detail. Bistable operation is obtained with a high on/off ratio in a particular range of miniband widths. We also show multistability due to higher-order Stark-ladder transitions in wider miniband superlattices.Keywords
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