Electro-optic effect in semiconductor superlattices

Changes of index of refraction of semiconductor superlattices due to electric field are studied theoretically. A parabolic band effective-mass approximation is used for the conduction, heavy-hole, and light-hole bands. Excitonic effects are considered for wide barrier superlattices (or multiple quan...

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Bibliographic Details
Published in:Journal of applied physics 1987-12, Vol.62 (11), p.4533-4537
Main Authors: YIA-CHUNG CHANG, SCHULMAN, J. N, EFRON, U
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of specific thin films
Physics
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Summary:Changes of index of refraction of semiconductor superlattices due to electric field are studied theoretically. A parabolic band effective-mass approximation is used for the conduction, heavy-hole, and light-hole bands. Excitonic effects are considered for wide barrier superlattices (or multiple quantum wells) and are found to substantially enhance the electro-optic effect near the onset of the excitonic absorption.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.339045