Published in
IEEE International Conference on Group IV Photonics, 2005. @nd
DOI: 10.1109/group4.2005.1516384
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- Institute of Electrical and Electronics Engineers
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LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades
Journal article published in 2005 by
P. Townsend,
Dj J. Paul 
,
Stephen Anthony Lynch,
Rw W. Kelsall,
Z. Ikonic,
P. Harrison,
Dj J. Norris,
Ag Cullis,
G. Cullis,
Jing Zhang,
X. Li,
Cr R. Pidgeon,
Bn N. Murdin,
P. Murzyn,
Ieee
,
Stephen Anthony Lynch,
Rw W. Kelsall,
Z. Ikonic,
P. Harrison,
Dj J. Norris,
Ag Cullis,
G. Cullis,
Jing Zhang,
X. Li,
Cr R. Pidgeon,
Bn N. Murdin,
P. Murzyn,
Ieee
This paper is available in a repository.
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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.