Title :
Experimental investigation of the above-threshold linewidth broadening factor of a mid-infrared quantum cascade laser
Author :
Louise Jumpertz;Florian Michel;Robert Pawlus;Wolfgang Elsässer;Kevin Shires;Mathieu Carras;Frédéric Grillot
Author_Institution :
Université
Abstract :
The linewidth broadening factor (α) of a mid-infrared quantum cascade laser is investigated above threshold with two different methods. The α is found strongly dependent on the operating conditions with a maximum value of 3.5.
Keywords :
"Quantum cascade lasers","Optical feedback","Temperature measurement","Optical interferometry","Current measurement","Wavelength measurement","Temperature dependence"
Conference_Titel :
Photonics Conference (IPC), 2015
DOI :
10.1109/IPCon.2015.7323555
