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