DocumentCode
2791358
Title
Coulomb-enhanced shift currents from symmetry reduction in GaAs/AlGaAs quantum wells
Author
Bieler, Mark ; Pierz, Klaus ; Dawson, Philip ; Siegner, Uwe
Author_Institution
Physikalisch-Technische Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany
fYear
2007
fDate
6-11 May 2007
Firstpage
1
Lastpage
2
Abstract
We report a new shift current tensor element resulting from symmetry reduction in semiconductor quantum wells, The shift current is strongly enhanced by Coulomb interaction and shows a pronounced maximum at the light-hole exciton resonance.
Keywords
Excitons; Gallium arsenide; Laser excitation; Nonlinear optics; Optical polarization; Optical pumping; Photoluminescence; Resonance; Tensile stress; Ultrafast optics;
fLanguage
English
Publisher
ieee
Conference_Titel
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location
Baltimore, MD, USA
Print_ISBN
978-1-55752-834-6
Type
conf
DOI
10.1109/QELS.2007.4431574
Filename
4431574
Link To Document