Title :
Gain measurements in quantum cascade lasers at high temperatures
Author :
Gresch, Tobias ; Giovannini, Marcella ; Faist, Jerome
Author_Institution :
Quantum Optoelectron. Group, ETH Zurich, Zurich
Abstract :
Multisection-cavity gain measurements of quantum cascade lasers operating near room temperature are presented. In some devices clear evidence of Bloch gain is reported. A strain compensated 4.7 mum laser is also discussed.
Keywords :
gain measurement; laser beams; laser cavity resonators; laser variables measurement; quantum cascade lasers; Bloch gain; gain measurement; multisection-cavity gain measurement; quantum cascade laser; strain compensated laser; temperature 293 K to 298 K; wavelength 4.7 mum; Capacitive sensors; Current measurement; Gain measurement; Laser theory; Optical waveguides; Phase measurement; Quantum cascade lasers; Semiconductor lasers; Temperature; Waveguide lasers; (140.5965) Semiconductor lasers, quantum cascade; (250.5980) Semiconductor optical amplifiers;
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
