Title : 
Direct determination of transparency current in mid-infrared quantum cascade laser
         
        
            Author : 
Revin, D.G. ; Hassan, R.S. ; Krysa, A.B. ; Kennedy, K. ; Atkins, A.N. ; Cockburn, J.W. ; Wang, Y. ; Belyanin, A.
         
        
            Author_Institution : 
Dept. of Phys. & Astron., Univ. of Sheffield, Sheffield, UK
         
        
        
        
        
            Abstract : 
Temperature dependent transparency current values have directly been extracted from the transmission spectra for the mid infrared quantum cascade laser. This current is found to contribute more than 65% to the threshold at room temperature.
         
        
            Keywords : 
light transmission; quantum cascade lasers; transparency; midinfrared quantum cascade laser; temperature 293 K to 298 K; temperature dependent transparency current; transmission spectra; Absorption; Laser transitions; Quantum cascade lasers; Sociology; Threshold current; Waveguide lasers;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics (CLEO), 2012 Conference on
         
        
            Conference_Location : 
San Jose, CA
         
        
            Print_ISBN : 
978-1-4673-1839-6