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Spin sensitive bleaching and monopolar spin orientation in quantum wells

Ganichev, Sergey and Danilov, Sergey and Belkov, Vassilij and Ivchenko, Eougenious and Bichler, Max and Wegscheider, Werner and Weiss, Dieter and Prettl, Wilhelm (2002) Spin sensitive bleaching and monopolar spin orientation in quantum wells. Physical Review Letters 88 (5), 057401.

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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.

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Item Type:Article
Date:February 2002
Institutions:Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Identification Number:
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited On:05 Oct 2007
Last Modified:13 Mar 2014 10:15
Item ID:2179
Owner Only: item control page


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