Direct observation of laser level occupation and injector coupling in undoped GaAs/(Al,Ga)As quantum-cascade structures

2004 ◽  
Vol 84 (22) ◽  
pp. 4535-4537 ◽  
Author(s):  
L. Schrottke ◽  
R. Hey ◽  
H. T. Grahn
Keyword(s):  
Direct Observation ◽  
Laser Level ◽  
Quantum Cascade ◽  
Undoped Gaas ◽  
Quantum Cascade Structures

Electric-field-dependent subband population in undoped GaAs/(Al,Ga)As quantum-cascade structures

2004 ◽  
Vol 19 (3) ◽  
pp. 421-426 ◽  
Author(s):  
L Schrottke ◽  
T Ohtsuka ◽  
R Hey ◽  
H Kostial ◽  
H T Grahn
Keyword(s):  
Electric Field ◽  
Quantum Cascade ◽  
Field Dependent ◽  
Undoped Gaas ◽  
Quantum Cascade Structures

First Direct Observation of Small Linewidth Enhancement Factor of Fabry–Perot Quantum Cascade Laser

2008 ◽  
Vol 47 (3) ◽  
pp. 1606-1608 ◽  
Author(s):  
Naoki Kumazaki ◽  
Yohei Takagi ◽  
Mikito Ishihara ◽  
Kenichi Kasahara ◽  
Naota Akikusa ◽  
...  
Keyword(s):  
Direct Observation ◽  
Quantum Cascade Laser ◽  
Enhancement Factor ◽  
Linewidth Enhancement Factor ◽  
Quantum Cascade ◽  
Fabry Perot ◽  
Linewidth Enhancement

Intersubband Electroluminescence from GaAs/AIGaAs Triple Barrier and Quantum Cascade Structures

1998 ◽  
pp. 37-42
Author(s):  
Y. B. Li ◽  
J. W. Cockburn ◽  
M. S. Skolnick ◽  
J. P. Duck ◽  
M. J. Birkett ◽  
...  
Keyword(s):  
Quantum Cascade ◽  
Quantum Cascade Structures

Terahertz quantum cascade structures: Intra- versus interwell transition

2000 ◽  
Vol 77 (13) ◽  
pp. 1928-1930 ◽  
Author(s):  
J. Ulrich ◽  
R. Zobl ◽  
W. Schrenk ◽  
G. Strasser ◽  
K. Unterrainer ◽  
...  
Keyword(s):  
Quantum Cascade ◽  
Quantum Cascade Structures

Diagnostics of quantum cascade structures by optical methods in the near infrared region

2012 ◽  
Vol 46 (11) ◽  
pp. 1411-1414 ◽  
Author(s):  
D. I. Kryzhkov ◽  
S. V. Morozov ◽  
D. M. Gaponova ◽  
S. M. Sergeev ◽  
K. I. Kuritsyn ◽  
...  
Keyword(s):  
Near Infrared ◽  
Infrared Region ◽  
Optical Methods ◽  
Quantum Cascade ◽  
Near Infrared Region ◽  
Quantum Cascade Structures
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