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Spatially Indirect Optical Transitions in Semiconductor Multiple Quantum Wires

Published online by Cambridge University Press:  28 February 2011

J. S. Weiner ,
G. Danan ,
A. Pinczuk ,
J. Valladares ,
L. N. Pfeiffer  and
K. West
J. S. Weiner
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
G. Danan
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
A. Pinczuk
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
J. Valladares
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
L. N. Pfeiffer
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
K. West
Affiliation:
AT&T Bell Laboratories 600 Mountain Avenue Murray Hill, NJ 07974
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Abstract

In optical experiments with laterally patterned modulation-doped GaAs/AlGaAs quantum wells we observe spatially separate confinement of electrons and holes to one-dimensional quantum wires. We determine the one-dimensional subband spacing and Fermi energy from inelastic light scattering and photoluminescence spectra. From these measurements we directly determine the one-dimensional electron density.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 160 , 1989 , 745
Copyright
Copyright © Materials Research Society 1990

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