Title :
Photogalvanic effects in HgTe quantum wells
Author :
Wittmann, B. ; Ravash, R. ; Diehl, H. ; Danilov, S.N. ; Kvon, Z.D. ; Tarasenko, S.A. ; Ivchenko, E.L. ; Mikhailov, N.N. ; Dvoretsky, S.A. ; Prettl, W. ; Ganichev, S.D.
Author_Institution :
Terahertz Center, Univ. of Regensburg, Regensburg
Abstract :
We report on the observation of the terahertz radiation induced circular (CPGE) and linear (LPGE) photogalvanic effects in HgTe quantum wells. The current response is well described by the phenomenological theory of CPGE and LPGE.
Keywords :
mercury compounds; photoconductivity; photovoltaic effects; submillimetre waves; HgTe quantum wells; circular photogalvanic effects; linear photogalvanic effects; terahertz radiation; Laser excitation; Laser transitions; Optical polarization; Optical pulses; Optical pumping; Photovoltaic effects; Power lasers; Pump lasers; Quantum mechanics; Temperature; HgTe quantum wells; circular and linear photogalvanic effects; spintronics;
Conference_Titel :
Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on
Conference_Location :
Cardiff
Print_ISBN :
978-1-4244-1438-3
DOI :
10.1109/ICIMW.2007.4516724
