Title :
Ultrafast absorption recovery in germanium/silicon-germanium quantum wells
Author :
Emel Tasyürek;Stephanie A. Claussen;Jonathan E. Roth;David A. B. Miller
Author_Institution :
Electrical Engineering Department, Edward L. Ginzton Laboratory, Stanford University, CA, USA
Abstract :
We show ultrafast absorption changes in germanium-based quantum wells, attributing these to exciton bleaching, ultrafast intervalley scattering, carrier escape and transport, and field screening, and compare these experimental results to modeling.
Keywords :
"Absorption","Excitons","Scattering","Silicon germanium","Bleaching","Modulation","Ultrafast optics"
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698988
