Title :
Effect of injection barrier thickness and doping on transport and gain in a λ = 8.2 μ quantum cascade laser
Author :
Howard, Scott S. ; Hoffman, Anthony J. ; Franz, Kale J. ; Howard, Daniel P. ; Ko, Tiffany ; Sivco, Deborah L. ; Gmachl, Claire F.
Author_Institution :
Princeton Univ., Princeton
Abstract :
We demonstrate the effects of varying the injection barrier thickness and injector doping level on current transport and gain bandwidth in a lambda ~ 8.2 mum quantum cascade laser.
Keywords :
quantum cascade lasers; semiconductor doping; current transport; doping level; gain bandwidth; injection barrier thickness; Contacts; Doping; Laser transitions; Molecular beam epitaxial growth; Optical design; Pulse measurements; Quantum cascade lasers; Technological innovation; Temperature; USA Councils; Midinfrared; quantum cascade laser;
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 :
978-1-4244-0924-2
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382601
