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

Townsend, P., Paul, D. J., Lynch, Stephen Anthony ORCID: https://orcid.org/0000-0001-9818-2284, 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:	24 Oct 2022 10:48
URI:	https://orca.cardiff.ac.uk/id/eprint/45939

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