Significant reduction of threshold current density of GaAs/AlGaAs terahertz quantum cascade lasers by using high-al-content AlGaAs barrier

2011 ◽  
Author(s):  
Tsung-Tse Lin ◽  
Leiying Ying ◽  
Hideki Hirayama
Keyword(s):  
Current Density ◽  
Quantum Cascade Lasers ◽  
Threshold Current ◽  
Threshold Current Density ◽  
Quantum Cascade ◽  
Al Content ◽  
High Al Content ◽  
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

Dependence of Threshold Current Density on the Waveguide Ridge Width in Quantum-Cascade Lasers

2010 ◽  
Vol 46 (9) ◽  
pp. 1320-1326 ◽  
Author(s):  
Gabriel Beji ◽  
Zoran Ikonic ◽  
Dragan Indjin ◽  
Craig A. Evans ◽  
Paul Harrison
Keyword(s):  
Current Density ◽  
Quantum Cascade Lasers ◽  
Threshold Current ◽  
Threshold Current Density ◽  
Quantum Cascade ◽  
Ridge Width ◽  
Cascade Lasers
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