Title :
Excited-state absorption in high-power mid-infrared quantum cascade lasers
Author :
Dikmelik, Yamac ; Khurgin, Jacob B. ; Hoffman, Anthony J. ; Howard, Scott S. ; Franz, Kale J. ; Gmachl, Claire F.
Author_Institution :
Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD
Abstract :
The loss due to excited-state absorption into the continuum was calculated for high-power mid-infrared quantum cascade lasers. We find this loss to be a significant fraction of the gain at the laser wavelength.
Keywords :
excited states; quantum cascade lasers; excited-state absorption; high-power mid-infrared quantum cascade lasers; laser wavelength; Absorption; Laser excitation; Laser transitions; Optical losses; Optical waveguides; Quantum cascade lasers; Quantum computing; Resonance; Semiconductor lasers; Waveguide lasers; (140.3070) Infrared and far-infrared lasers; (140.5965) Semiconductor lasers, quantum cascade;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
