Title :
Design of Ge/SiGe quantum cascade lasers using the density matrix model
Author :
Dinh, T.V. ; Valavanis, A. ; Ikonic, Z. ; Kelsall, R.W.
Author_Institution :
Sch. of Electron. & Electr. Eng., Univ. of Leeds, Leeds, UK
Abstract :
An automated design tool based on a density matrix model has been developed to model and optimize terahertz Ge/SiGe quantum cascade lasers. An optimum bound-to-continuum 7-well structure has been obtained.
Keywords :
germanium; quantum cascade lasers; silicon compounds; terahertz wave devices; Ge-SiGe; automated design tool; density matrix model; optimum bound-to-continuum 7 well structure; terahertz quantum cascade lasers; Current density; Delta modulation; Mathematical model; Optimization; Quantum cascade lasers; Silicon germanium; Wave functions;
Conference_Titel :
Group IV Photonics (GFP), 2011 8th IEEE International Conference on
Conference_Location :
London
Print_ISBN :
978-1-4244-8338-9
DOI :
10.1109/GROUP4.2011.6053794