Title :
Time-resolved spectral characterization of a pulsed external-cavity quantum cascade laser
Author :
Melkonian, Jean-Michel ; Petit, Johan ; Raybaut, Myriam ; Godard, Antoine ; Lefebvre, Michel
Author_Institution :
ONERA the French Aerosp. Lab., Palaiseau, France
Abstract :
The time-resolved spectrum of a pulsed external-cavity QCL is obtained thanks to sum-frequency mixing with nanosecond pump pulses with a variable delay. Frequency chirps and mode hops spanning over 30 GHz are observed.
Keywords :
chirp modulation; laser beams; quantum cascade lasers; surface emitting lasers; frequency chirps; mode hops; nanosecond pump pulses; pulsed external-cavity quantum cascade laser; sum-frequency mixing; time-resolved spectral characterization; Delay; Laser excitation; Optical pulses; Pump lasers; Quantum cascade lasers; Time frequency analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
