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Accession Number:
ADP007868
Title:
Optical Nonlinearities of Type-II Quantum Wells,
Corporate Author:
SANDIA NATIONAL LABS ALBUQUERQUE NM
Report Date:
1992-05-22
Abstract:
In this paper we describe a detailed study of the complete time evolution of the optical nonlinearities of type-11 GaAsAlAs quantum wells using nanosecond and femtosecond pumpprobe spectroscopy. We explain these nonlinearities by solving the generalized Wannier equation for the case of a type-II quantum-well structure. In contrast to the usual type-I quantum-wells, we observe different shifts and saturations of light- and heavy-hole excitons as well as the absence of gain. The dominant effects are a blue shift and saturation of the heavy-hole HH exciton.
Supplementary Note:
This article is from 'Organization of the Optical Society of America Photonic Science Topical Meeting Series. Volume 7. Quantum Optoelectronics Held in Salt Lake City, Utah on 11-13 March 1991,' AD-A253 823, p214-217.
Pages:
0004
File Size:
0.00MB
