Title :
Ultrafast innter-Landau-level coherent dynamics of undoped quantum well magnetoexcitons
Author :
Dani, K.M. ; Tignon, J. ; Chemla, D.S. ; Kavousanaki, E.G. ; Perakis, I.E.
Author_Institution :
Dept. of Phys., Univ. of California at Berkeley & Mater. Sci. Div., Berkeley, CA
Abstract :
With 3-pulse wave-mixing ultrafast spectroscopy we probe simultaneously the intra and inter-band coherent dynamics in GaAs/AlGaAs quantum wells in a perpendicular magnetic field. By comparing to theory, we identify the role of inter-Landau-level coherences.
Keywords :
III-V semiconductors; Landau levels; aluminium compounds; excitons; gallium arsenide; multiwave mixing; semiconductor quantum wells; 3-pulse wave-mixing ultrafast spectroscopy; GaAs-AlGaAs; inter-band coherent dynamics; intra band coherent dynamics; perpendicular magnetic field; quantum wells; ultrafast inter-Landau-level coherent dynamics; undoped quantum well magnetoexcitons; Excitons; Frequency; Magnetic fields; Magnetic materials; Magnetic separation; Nonlinear optics; Optical mixing; Physics; Spectroscopy; Ultrafast optics; (190.5970) semiconductor nonlinear optics including MQW; (320.7130) ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628990
