Title :
Substrate orientation and alloy composition effects in n-type SiGe quantum cascade structures
Author :
A. Valavanis;Z. Ikonic;L. Lever;C. A. Evans;R. W. Kelsall
Author_Institution :
Institute of Microwaves and Photonics, School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, UK
Abstract :
We show using a theoretical self-consistent effective mass/rate equation approach that n-type SiGe-based quantum cascade lasers are potentially made viable by either using the (111) orientation or a Ge-rich substrate.
Keywords :
"Quantum cascade lasers","Quantization","Gain","Silicon","Optical waveguides","Metals","Silicon germanium"
Conference_Titel :
Group IV Photonics, 2008 5th IEEE International Conference on
Print_ISBN :
978-1-4244-1769-8
Electronic_ISBN :
1949-209X
DOI :
10.1109/GROUP4.2008.4638162
