Title :
3.4 THz quantum cascade laser operating above liquid nitrogen temperature
Author :
Williams, B.S. ; Kumar, S. ; Callebaut, H. ; Hu, Q. ; Reno, J.L.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Inst. of Technol., Cambridge, MA, USA
fDate :
6/12/2003 12:00:00 AM
Abstract :
Terahertz lasing in a quantum cascade structure in pulsed mode up to a temperature of 87 K at a wavelength of λ=88 μm (3.4 THz) has been obtained. At 5 K, a peak power of approximately 3.4 mW is observed, with still ∼1 mW at 78 K.
Keywords :
III-V semiconductors; aluminium compounds; current density; gallium arsenide; laser transitions; quantum cascade lasers; submillimetre wave lasers; 1 to 3.4 mW; 3.4 THz; 5 to 78 K; 88 micron; FIR regime; GaAs-Al0.15Ga0.85As; THz lasing; far-infrared regime; liquid nitrogen temperature; pulsed mode; quantum cascade laser; terahertz lasing;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030587
