DocumentCode
1685909
Title
Ultrafast electron-hole scattering monitored by hole cooling in optically excited Germanium quantum wells
Author
Kolata, K. ; Köster, N.S. ; Chatterjee, S. ; Chrastina, D. ; Isella, G. ; Sipe, J.E. ; Imhoff, S. ; Thränhardt, A.
Author_Institution
Fac. of Phys. & Mater. Sci. Center, Philipps-Univ. Marburg, Marburg, Germany
fYear
2012
Firstpage
1
Lastpage
2
Abstract
The scattering and cooling dynamics in Ge quantum wells are investigated on a picosecond time scale. Time-resolved pump-probe experiments reveal an efficient scattering process between electrons in the L-valley and holes in the Γ-valley.
Keywords
elemental semiconductors; germanium; high-speed optical techniques; phonon spectra; semiconductor quantum wells; time resolved spectra; Γ-valleγ; Ge; L-valley; cooling dynamics; hole cooling; optically excited germanium quantum wells; phonon spectra; picosecond time scale; scattering dynamics; time-resolved pump-probe experiments; ultrafast electron-hole scattering; Absorption; Cooling; Germanium; Optical pumping; Optical scattering; Ultrafast optics;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-4673-1839-6
Type
conf
Filename
6326880
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