Title :
Fast intraband capture and relaxation in InAs/GaAs self-assembled quantum dots
Author :
Zibik, Evgeny A. ; Menzel, Stefan ; Aivaliotis, Pantelis ; Carpenter, Ben A. ; Cockburn, John W. ; Skolnick, Maurice S. ; Wilson, Luke R. ; Grange, Thomas ; Ferreira, Robson ; Bastard, Gerald ; Stehr, Dominik ; Winnerl, Stephan ; Helm, Manfred ; Steer, Ma
Author_Institution :
Department of Physics and Astronomy, University of Sheffield, S3 7RH, UK
Abstract :
Electron capture and relaxation processes in n-type InAs/GaAs quantum dots were investigated using mid-infrared degenerated pump-probe spectroscopy. Fast (~4¿10ps) intraband relaxation/capture times were measured even in the absence of electron-hole scattering.
Keywords :
Electrons; Gallium arsenide; III-V semiconductor materials; Optical scattering; Particle scattering; Quantum dot lasers; Quantum dots; Radioactive decay; Spectroscopy; Stationary state;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431564
