Title :
Intersubband absorption loss in high-performance mid-infrared quantum cascade lasers
Author :
Dikmelik, Yamac ; Khurgin, Jacob B. ; Escarra, Matthew D. ; Liu, Peter Q. ; Hoffman, Anthony J. ; Franz, Kale J. ; Gmachl, Claire F. ; Fan, Jenyu ; Wang, Xiaojun
Author_Institution :
Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA
Abstract :
We calculate intersubband absorption loss and report measured waveguide loss for two high-performance mid-infrared quantum cascade laser designs. Intersubband absorption loss accounts for a major component of waveguide loss for these structures.
Keywords :
laser beams; laser variables measurement; optical design techniques; optical loss measurement; quantum cascade lasers; waveguide lasers; high-performance mid-infrared lasers; intersubband absorption loss; quantum cascade laser design; waveguide loss measurement; Absorption; Laser transitions; Loss measurement; Low voltage; Optical design; Optical losses; Optical waveguides; Quantum cascade lasers; Semiconductor waveguides; Waveguide lasers; (140.3070) Infrared and far-infrared lasers; (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
