Effect of waveguide sidewall roughness on the threshold current density and slope efficiency of quantum cascade lasers

2008 ◽  
Vol 93 (3) ◽  
pp. 031104 ◽  
Author(s):  
Fatima Toor ◽  
Deborah L. Sivco ◽  
Hao E. Liu ◽  
Claire F. Gmachl
Keyword(s):  
Current Density ◽  
Slope Efficiency ◽  
Quantum Cascade Lasers ◽  
Threshold Current ◽  
Threshold Current Density ◽  
Sidewall Roughness ◽  
Quantum Cascade ◽  
Cascade Lasers

Low threshold current density distributed feedback quantum cascade lasers with deep top gratings

2006 ◽  
Vol 89 (16) ◽  
pp. 161102 ◽  
Author(s):  
Gangyi Xu ◽  
Aizhen Li ◽  
Yaoyao Li ◽  
Lin Wei ◽  
Yonggang Zhang ◽  
...  
Keyword(s):  
Current Density ◽  
Quantum Cascade Lasers ◽  
Threshold Current ◽  
Threshold Current Density ◽  
Distributed Feedback ◽  
Quantum Cascade ◽  
Low Threshold ◽  
Cascade Lasers

Highly temperature insensitive, low threshold-current density (λ = 8.7–8.8 μm) quantum cascade lasers

2015 ◽  
Vol 106 (15) ◽  
pp. 151106 ◽  
Author(s):  
J. D. Kirch ◽  
C.-C. Chang ◽  
C. Boyle ◽  
L. J. Mawst ◽  
D. Lindberg ◽  
...  
Keyword(s):  
Current Density ◽  
Quantum Cascade Lasers ◽  
Threshold Current ◽  
Threshold Current Density ◽  
Quantum Cascade ◽  
Low Threshold ◽  
Cascade Lasers
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