Title :
The intrinsic linewidth of a THz quantum cascade laser
Author :
Vitiello, M.S. ; Consolino, L. ; Bartalini, S. ; Taschin, A. ; Tredicucci, A. ; Inguscio, Massimo ; De Natale, Paolo
Author_Institution :
LENS, Ist. Naz. di Ottica, Sesto Fiorentino, Italy
Abstract :
We report experimental evidence of intrinsic linewidth values approaching the quantum limit in far-infrared quantum cascade lasers through the measurement of their frequency-noise power spectral density and a thorough investigation of the physics behind it.
Keywords :
laser noise; millimetre wave lasers; quantum cascade lasers; THz quantum cascade laser; far-infrared quantum cascade lasers; frequency-noise power spectral density; intrinsic linewidth values; quantum limit; Frequency measurement; Laser transitions; Measurement by laser beam; Noise; Photonics; Quantum cascade lasers; Temperature measurement;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380287
