Physical origin of frequency noise and linewidth in mid-IR DFB quantum cascade lasers

Lionel Tombez,S. Schilt,G. Di Domenico,S. Blaser,Antoine Muller,Tobias Gresch,Borislav Hinkov,Mattias Beck,Jérôme Faist,D. Hofstetter

Physical origin of frequency noise and linewidth in mid-IR DFB quantum cascade lasers

2013

Lionel Tombez
S. Schilt
G. Di Domenico
S. Blaser
Antoine Muller
Tobias Gresch
Borislav Hinkov
Mattias Beck
Jérôme Faist
D. Hofstetter

Frequency noise and linewidth properties of different mid-infrared DFB-QCLs using buried-heterostructures and ridge waveguides are compared. The physical origin of frequency noise and the impact of the different lasers parameters are discussed.

Keywords:

Noise measurement
Physics
Optoelectronics
Quantum dot laser
Injection seeder
Laser ultrasonics
Tunable laser
Optics
Quantum well
Laser linewidth
Relative intensity noise

Correction
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