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Proceedings Paper

First observation of 2P-magnetoexcitons in GaAs/AlGaAs multiple quantum wells via two-photon absorption processes
Author(s): Metha Nithisoontorn; Karl Unterrainer; S. Michaelis; Erich Gornik; Nobuhiko Sawaki; Hiroyuki Kano
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Paper Abstract

Photoconductivity measurements of two-photon magnetoabsorption in GaAs/AlGaAs multiple quantum wells have been performed using a one-beam pumping technique. The splitting of 2P-exciton states in magnetic fields up to 6 T have been studied in Faraday configuration with the linear polarization parallel to the layers of the quantum wells. By applying a theory of linear-Zeeman effect in the hydrogen atom, effective masses for motion parallel to the quantum-well layers can be extracted from the data to be O.1Om for heavy holes and O.18m for light holes.

Paper Details

Date Published: 1 October 1990
PDF: 7 pages
Proc. SPIE 1283, Quantum Well and Superlattice Physics III, (1 October 1990); doi: 10.1117/12.20758
Show Author Affiliations
Metha Nithisoontorn, Univ. Innsbruck (Austria)
Karl Unterrainer, Univ. Innsbruck (Austria)
S. Michaelis, Univ. Innsbruck (Austria)
Erich Gornik, Technische Univ. Muenchen (Germany)
Nobuhiko Sawaki, Nagoya Univ. (Japan)
Hiroyuki Kano, Toyota Central R&D Labs. Inc. (Japan)

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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