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Proceedings Paper

Large optical nonlinearities in novel semiconductor superlattices
Author(s): Milan Jaros; Ian Morrison; A. Beavis
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Paper Abstract

The nonlinear response in semiconductors is normally achieved via a band filling mechanism accompanied by strong energy dissipation. An attractive alternative is a virtual process which is based on multi-photon excitations to higher lying levels. We show that in certain superlattices the position of such energy levels and the relevant transition probabilities can be engineered so as to obtain a significant enhancement of nonlinear response. We predict structural parameters for several lattice matched systems where this enhancement should occur and report the first full scale calculation of the frequency dependence of the third order susceptibility.

Paper Details

Date Published: 1 October 1990
PDF: 10 pages
Proc. SPIE 1283, Quantum Well and Superlattice Physics III, (1 October 1990); doi: 10.1117/12.20736
Show Author Affiliations
Milan Jaros, Univ. of Newcastle upon Tyne (United Kingdom)
Ian Morrison, Univ. of Newcastle upon Tyne (United Kingdom)
A. Beavis, Univ. of Newcastle upon Tyne (United Kingdom)

Published in SPIE Proceedings Vol. 1283:
Quantum Well and Superlattice Physics III
Gottfried H. Doehler; Emil S. Koteles; Joel N. Schulman, Editor(s)

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