Title :
Intervalley scattering and field screening in germanium/silicon-germanium quantum wells
Author :
Emel Taşyürek;Stephanie A. Claussen;Jonathan E. Roth;David A. B. Miller
Author_Institution :
Electrical Engineering Department, Edward L. Ginzton Laboratory, Stanford University, Stanford, CA
Abstract :
The scattering time of electrons from the direct Γ to the indirect L valley in the conduction band of germanium/silicon-germanium quantum wells is measured to be ∼250 fs. Carrier field screening is also observed and modeled.
Keywords :
"Scattering","Absorption","Excitons","Laser excitation","Measurement by laser beam","Silicon germanium","Bleaching"
Conference_Titel :
Group IV Photonics (GFP), 2010 7th IEEE International Conference on
Print_ISBN :
978-1-4244-6344-2
DOI :
10.1109/GROUP4.2010.5643355
