Title :
Observation of degenerate and non-degenerate lateral-mode patterns in mid-IR Quantum Cascade lasers
Author :
Stelmakh, Nikolai ; Vasilyev, Michael ; Toor, Fatima ; Gmachl, Claire
Author_Institution :
Dept. of Electr. Eng., Univ. of Texas Arlington, Arlington, TX, USA
Abstract :
We investigate near-field lateral mode patterns of quantum cascade wide-ridge lasers using a spatially-resolving spectrometer. The results support box-model theory and, show that lateral mode pattern can be made either degenerate or non-degenerate in frequency.
Keywords :
infrared spectrometers; quantum cascade lasers; box-model theory; mid-IR quantum cascade lasers; near-field lateral mode patterns; non-degenerate lateral-mode patterns; spatially-resolving spectrometer; wide-ridge lasers; Gallium arsenide; Laser mode locking; Mirrors; Power generation; Quantum cascade lasers; Semiconductor lasers; Solid lasers; Substrates; Surface emitting lasers; Vertical cavity surface emitting lasers; 120.6200 Spectrometers; 140.3298 Laser beam combining; 140.5965 Semiconductor lasers, quantum cascade;
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
