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Conferences > CLEO_AT > 2012 > JW2A > JW2A.8

Ultra-fast inter-subband relaxation and non-thermal carrier distribution in Ge/SiGe quantum wells

A. Chernikov, V. Bornwasser, M. Koch, N. Köster, R. Woscholski, S. Chatterjee, E. Gatti, E. Grilli, M. Guzzi, D. Chrastina, and G. Isella

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Abstract

A systematic study of carrier relaxation in Ge quantum wells is performed applying photoluminescence and pump-probe spectroscopy. Intersubband-relaxation on a 100 fs time-scale and the presence of a non-thermal carrier distribution are identified.

© 2012 Optical Society of America

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