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Wave Function Engineering of Linear and Non-Linear Optical Response in Si-Ge Quantum Well Structures and Superlattices

Published online by Cambridge University Press:  22 February 2011

M. Jaros ,
R. J. Turton  and
K. B. Wong
M. Jaros
Affiliation:
Physics Department, The University, Newcastle upon Tyne, United Kingdom
R. J. Turton
Affiliation:
Physics Department, The University, Newcastle upon Tyne, United Kingdom
K. B. Wong
Affiliation:
Physics Department, The University, Newcastle upon Tyne, United Kingdom
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Abstract

We show that the infinite Si-Ge superlattices predicted to exhibit strong optical transitions across the fundamental gap and between conduction subbands also give rise to significant optical nonlinearities. Efficient optical transitions can also be achieved in finite-length structures grown on Si or Ge substrates. However, the zone folding argument does not apply and the electronic structure strongly reflects the finite length of such systems.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 220: Symposium B – Silicon Molecular Beam Epitaxy , 1991 , 373
Copyright
Copyright © Materials Research Society 1991

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References

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