Title :
Time-domain measurements of group-velocity dispersion in quantum cascade lasers
Author :
Choi, Hyunyong ; Norris, Theodore B. ; Diehl, Laurent ; Capasso, Federico ; Bour, David ; Corzine, Scott ; Zhu, Jintian ; Hofler, Gloria
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI
Abstract :
Time-resolved mid-infrared upconversion based on sum-frequency generation was applied to measure the group-velocity dispersion in quantum cascade lasers; material, waveguide, and gain contributions were distinguished, and used to model the temporal pulse broadening.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; indium compounds; optical frequency conversion; optical waveguides; quantum cascade lasers; time resolved spectra; InGaAs-InAlAs; gain contributions; group-velocity dispersion; quantum cascade lasers; sum-frequency generation; temporal pulse broadening; time-resolved midinfrared upconversion; waveguide; Dispersion; Doping; Optical pulse generation; Optical waveguides; Pulse amplifiers; Pulse generation; Pulse measurements; Quantum cascade lasers; Time domain analysis; Ultrafast optics; (140.5965) Semiconductor lasers, quantum cascade; (320.7100) Ultrafast measurement;
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
