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

Townsend, P., Paul, D. J., Lynch, Stephen Anthony, Kelsall, R.W., Ikonic, Z., Harrison, P., Norris, D., Cullis, G., Zhang, Jing, Li, X., Pidgeon, C., Murdin, B. N. and Murzyn, P. 2005. LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades. Presented at: 2nd IEEE International Conference on Group 1V Photonics, Antwerp, Belgium, 21-23 September 2005. 2nd IEEE International Conference on Group 1V Photonics 2005. Piscataway, NJ: IEEE, pp. 7-9. 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 or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: IEEE
ISBN: 0780390709
Last Modified: 04 Jun 2017 04:52
URI: http://orca.cf.ac.uk/id/eprint/45939

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