Title :
Tapered Quantum Cascade Lasers
Author :
Semmel, J. ; Nähle, L. ; Höfling, S. ; Forchel, A.
Author_Institution :
Julius-Maximilians-Univ. Wurzburg, Wurzburg
Abstract :
Quantum cascade lasers with tapered gain sections have been fabricated. The devices show good room temperature performance with an output-power > 100 mW and a very narrow horizontal farfield with a beam divergence of 9deg.
Keywords :
quantum cascade lasers; quantum cascade lasers; Etching; Laser beams; Laser modes; Optical design; Optical waveguides; Polymers; Power generation; Quantum cascade lasers; Semiconductor lasers; Temperature;
Conference_Titel :
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
978-1-4244-0925-9
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382631