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Conferences > QELS > 2012 > QM2G > QM2G.6

Ultrafast Electron-Hole Scattering Monitored by Hole Cooling in Optically Excited Germanium Quantum Wells

K. Kolata, N. S. Köster, S. Chatterjee, D. Chrastina, G. Isella, J. E. Sipe, S. Imhoff, and A. Thränhardt

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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.

© 2012 Optical Society of America

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