Title :
A detailed experimental study of frequency noise in mid-infrared distributed feedback quantum cascade lasers
Author :
Schilt, Stephane ; Tombez, Lionel ; Blaser, Sebastian ; Terazzi, R. ; Tardy, C. ; Maulini, R. ; Bismuto, A. ; Gresch, T. ; Rochat, M. ; Muller, A. ; Sudmeyer, Thomas
Author_Institution :
Lab. Temps-Frequence, Univ. de Neuchatel, Neuchatel, Switzerland
Abstract :
Flicker noise was studied in a set of 20 QCLs at 7-8 μm, showing significant differences among the devices and the probable existence of various noise sources. Ridgewaveguide lasers showed lower noise than buried-heterostructures.
Keywords :
distributed feedback lasers; flicker noise; laser noise; quantum cascade lasers; ridge waveguides; flicker noise; frequency noise; mid-infrared distributed feedback quantum cascade lasers; ridge-waveguide lasers; wavelength 7 mum to 8 mum; Frequency measurement; Laser noise; Measurement by laser beam; Noise measurement; Quantum cascade lasers; Voltage measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
