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Electric-Field-Induced Localization and Oscillatory Electro-optical Properties of Semiconductor Superlattices

โœ Scribed by Bleuse, J.; Bastard, G.; Voisin, P.

Book ID
121385746
Publisher
The American Physical Society
Year
1988
Tongue
English
Weight
151 KB
Volume
60
Category
Article
ISSN
0031-9007

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โœฆ Synopsis

We show that the application of an electric field F along the growth axis of a semiconductor superlat- tice results in a strong localization of the eigenstates, a blue shift of the optical-absorption edge, and the presence of oscillations periodic in F . These unique electro-optical properties are derived here within the framework of a tight-binding description of the envelope functions and also from numerical solutions of the Schrodinger equation for a finite set of coupled quantum wells.

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