Title :
Gain and losses of mid-infrared quantum cascade lasers by frequency chirping spectroscopy
Author :
Benveniste, E. ; Laurent, S. ; Vasanelli, A. ; Manquest, C. ; Sirtori, C. ; Carras, M. ; Marcadet, X.
Author_Institution :
Lab. de Mater. et Phenomenes Quantiques, Univ. Paris Diderot, Paris, France
Abstract :
We report an efficient technique to measure gain and losses of quantum cascade lasers (QCLs). It consists on the analysis of the Fabry-Perot fringes induced by the optical injection of a chirped distributed feedback QCL.
Keywords :
chirp modulation; distributed feedback lasers; infrared spectroscopy; laser beams; laser variables measurement; optical losses; quantum cascade lasers; Fabry-Perot fringes; distributed feedback QCL; frequency chirping spectroscopy; mid-infrared quantum cascade lasers; optical injection; Chirp; Distributed feedback devices; Fabry-Perot; Frequency; Gain measurement; Loss measurement; Optical feedback; Optical losses; Quantum cascade lasers; Spectroscopy; 130.0250; 140.5965;
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
