LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades

Townsend, P. et al. (2005) LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades. In: 2nd IEEE International Conference on Group IV Photonics, Antwerp, Belgium, 21-23 Sept 2005, pp. 7-9. ISBN 0780390709 (doi:10.1109/GROUP4.2005.1516384)

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Abstract

The linear optical phonon as a fast depopulation mechanism in Si/SiGe quantum cascade devices. Confirmed by pump-probe, the lifetime measurement is limited by the optical cycle of the source (<2 ps). Fourier transform spectroscopy shows intersubband electroluminescence with good agreement to theory.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Paul, Professor Douglas
Authors: Townsend, P., Paul, D.J., Lynch, S.A., Kelsall, R.W., Ikonic, Z., Harrison, P., Norris, D.J., Cullis, A.G., Zhang, J., Li, X., Pidgeon, C.R., Murdin, B.N., and Murzyn, P.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Research Group:Semiconductor Devices
ISSN:1949-2081
ISBN:0780390709

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