Title :
Negative differential resistance and pulse instabilities in minimalized quantum cascade laser structures
Author :
Franz, Kale J. ; Raftery, James J J ; Liu, Peter Q. ; Hoffman, Anthony J. ; Escarra, Matthew D. ; Howard, Scott S. ; Dikmelik, Yamac ; Khurgin, Jacob B. ; Wang, Xiaojun ; Fan, Jen-Yu ; Gmachl, Claire
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
We study high performing mid-infrared quantum cascade lasers with highly discretized injector regions. We observe negative differential resistance features of ~2V that persist to room temperature and pulse instabilities below 180K.
Keywords :
laser beams; laser stability; negative resistance; quantum cascade lasers; superlattices; discretized injector region; mid-infrared quantum cascade laser; negative differential resistance; pulse instability; superlattice behavior; temperature 293 K to 298 K; Electrons; Energy states; Nonlinear optics; Optical design; Optical pulses; Optical superlattices; Power lasers; Quantum cascade lasers; Quantum well lasers; Temperature; (140.5965) Semiconductor lasers, quantum cascade; (250.55900) Quantum-well, -wire and -dot devices;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
