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Photoinduced Space-Charge Gratings in Semi-Insulating Multiple Quantum Wells

Published online by Cambridge University Press:  22 February 2011

Q. Wang
Affiliation:
Purdue University, Department of Physics W. Lafayette, IN 47907
R. M. Brubaker
Affiliation:
Purdue University, Department of Physics W. Lafayette, IN 47907
D. D. Nolte
Affiliation:
Purdue University, Department of Physics W. Lafayette, IN 47907
M. R. Melloch
Affiliation:
School of Electrical Engineering, Purdue University W. Lafayette, IN 47907
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Abstract

High-order spatial harmonics of photo-induced space-charge gratings are observed in semi-insulating photorefractive quantum wells. Two-wave mixing combined with four-wave mixing in holographic thin films can provide a versatile probe of absorption and photorefractive gratings.

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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References

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