Title :
High-Temperature, Low-Threshold Injectorless Quantum-Cascade Lasers, Emitting at α ≈ 6.8 μm
Author :
Friedrich, A. ; Huber, C. ; Boehm, G. ; Amann, M.-C.
Author_Institution :
Walter Schottky Inst., Technische Univ. Munchen, Garching
Abstract :
We present a five-level quantum-cascade laser design without injector miniband, showing small threshold current densities (0.15 kA/cm 2 at 77 K and 1.65 kA/cm2 at 300 K) and a maximum operating temperature of 420 K
Keywords :
laser beams; quantum cascade lasers; thermo-optical effects; 300 K; 420 K; 77 K; five-level quantum-cascade laser design; laser operating temperature; low-threshold injectorless quantum-cascade lasers; threshold current densities; Doping; Electron optics; Optical design; Optical materials; Optical scattering; Quantum cascade lasers; Reservoirs; Temperature; Thermal management; Threshold current;
Conference_Titel :
Semiconductor Laser Conference, 2006. Conference Digest. 2006 IEEE 20th International
Conference_Location :
Kohala Coast, HI
Print_ISBN :
0-7803-9560-3
DOI :
10.1109/ISLC.2006.1708101
