Title :
Low-Voltage Defect Quantum Cascade Laser with Heterogeneous Injector Regions
Author :
Hoffman, Anthony J. ; Schartner, Stephan ; Howard, Scott S. ; Franz, Kale J. ; Towner, Fred ; Gmachl, Claire
Author_Institution :
Princeton Univ., Princeton
Abstract :
We demonstrate a quantum cascade laser that uses two alternating injectors with matching 4.6 mum active regions that operates in pulsed mode up to room temperature with a peak wall-plug efficiency of ~10 %.
Keywords :
high-speed optical techniques; quantum cascade lasers; heterogeneous injector regions; low-voltage defect quantum cascade laser; peak wall-plug efficiency; pulsed mode operation; Chemical lasers; Contacts; Gold; Heat sinks; Laser modes; Laser transitions; Laser tuning; Quantum cascade lasers; Temperature; Voltage;
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.2007.4382629
