Spin-sensitive bleaching and monopolar spin orientation in quantum wells

Ganichev, Sergey D. and Danilov, S. N. and Bel'kov, V. V. and Ivchenko, E. L. and Bichler, M. and Wegscheider, Werner and Weiss, Dieter and Prettl, W. (2002) Spin-sensitive bleaching and monopolar spin orientation in quantum wells. PHYSICAL REVIEW LETTERS, 88 (5): 057401. ISSN 0031-9007

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Abstract

Spin-sensitive bleaching of the absorption of far-infrared radiation has been observed in p-type GaAs/AlGaAs quantum well structures. The absorption of circularly polarized radiation saturates at lower intensities than that of linearly polarized light due to monopolar spin orientation in the first heavy-hole subband. Spin relaxation times of holes in p-type material in the range of tens of ps were derived from the intensity dependence of the absorption.

Item Type: Article
Uncontrolled Keywords: RELAXATION; GAAS; ABSORPTION; CARRIERS; COMPUTATION; RADIATION; ELECTRONS; INJECTION; TRANSPORT; DYNAMICS;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Depositing User: Dr. Gernot Deinzer
Date Deposited: 09 Nov 2021 10:29
Last Modified: 09 Nov 2021 10:29
URI: https://pred.uni-regensburg.de/id/eprint/40604

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