Rashba and Dresselhaus spin splittings in semiconductor quantum wells measured by spin photocurrents

Physical Review B - Condensed Matter and Materials Physics

Volumn 75, Issue 3, 2007, Pages

  Giglberger, S ^a   Golub, L E ^b   Bel'kov, V V ^b   Danilov, S N ^a   Schuh, D ^a   Gerl, C ^a   Rohlfing, F ^a   Stahl, J ^a   Wegscheider, W ^a   Weiss, D ^a   Prettl, W ^a   Ganichev, S D ^a  

^a UNIVERSITY OF REGENSBURG   (Germany)

^b IOFFE INSTITUTE   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33846345357     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.75.035327     Document Type: Article

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29. We note that strictly speaking under oblique incidence the photocurrent is caused by a superposition of the CPGE and the SGE and the total current j= jCPGE + jSGE (Refs.). The individual contributions can be separated in time-resolved experiments only. However, estimations show that for the photocurrent formation due to Drude absorption usually jCPGE > jSGE which allows to neglect the SGE contribution (Refs.). Even if the SGE dominates the RD ratio can be determined from measurements under oblique incidence. In this case Eqs. 3 4 5 6 7 should be used taking into account that for optical spin orientation S e.
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