Title :
Tapered Quantum Cascade Lasers
Author :
Höfling, Sven ; Semmel, Julia ; Nähle, Lars ; Forchel, Alfred
Author_Institution :
Univ. Wurzburg, Wurzburg
fDate :
July 29 2007-Aug. 11 2007
Abstract :
The fabrication of index guided tapered quantum cascade lasers emitting at -8.9 mum is reported. Output powers > 100 mW at room temperature and very small horizontal beam divergence of 7deg are achieved.
Keywords :
quantum cascade lasers; index horizontal beam divergence; tapered quantum cascade lasers; Etching; Gas lasers; Laser beams; Optical device fabrication; Optical waveguides; Plasma temperature; Power generation; Quantum cascade lasers; Ring lasers; Waveguide lasers;
Conference_Titel :
Nano-Optoelectronics Workshop, 2007. i-NOW '07. International
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-1591-5
DOI :
10.1109/INOW.2007.4302900
