Title :
Quantum interference currents by excitation of heavy and light hole excitons in GaAs quantum wells
Author :
Bieler, Mark ; Pierz, Klaus ; Dawson, Philip ; Siegner, Uwe
Author_Institution :
Phys.-Tech. Bundesanstalt, Braunschweig
Abstract :
We have observed quantum interference currents by exciting exciton transitions in GaAs quantum wells. A phase shift of the current occurs when tuning the exciting photon energy from the heavy hole to the light hole exciton transition.
Keywords :
III-V semiconductors; gallium arsenide; gallium compounds; quantum interference phenomena; semiconductor quantum wells; GaAs; heavy hole excitons; light hole excitons; phase shift; photon energy; quantum interference; semiconductor quantum wells; Absorption; Excitons; Free electron lasers; Gallium arsenide; Interference; Laser excitation; Nonlinear optics; Optical polarization; Optical pulses; Optical pumping; 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.2006.4628930
