A simple model describing both self-mode locking and sustained self-pulsing in ytterbium-doped ring fiber lasers

This paper presents a model describing self-mode locking (SML) and sustained self-pulsing (SSP) in a unidirectional ring-fiber laser using only the interaction between the saturated population inversion and the optical signal circulating in the laser cavity. Gain saturation alone is used to explain...

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Bibliographic Details
Published in:Journal of lightwave technology 2005-06, Vol.23 (6), p.2131-2138
Main Authors: Brunet, F., Taillon, Y., Galarneau, P., LaRochelle, S.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Circulating
Dynamics
Electric, optical and optoelectronic circuits
Electronics
Erbium-doped fiber lasers
Exact sciences and technology
Fiber lasers
Gain
Integrated optics. Optical fibers and wave guides
Laser cavities
Laser mode locking
Laser theory
Lasers
Locking
Mathematical models
modeling
Optical and optoelectronic circuits
Optical fiber devices
optical fiber lasers
Optical pulses
pulsed lasers
Pump lasers
Quantum cascade lasers
Ring lasers
Saturation
Space power stations
Thresholds
ytterbium
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Summary:This paper presents a model describing self-mode locking (SML) and sustained self-pulsing (SSP) in a unidirectional ring-fiber laser using only the interaction between the saturated population inversion and the optical signal circulating in the laser cavity. Gain saturation alone is used to explain SML behavior close to laser threshold and the sharp transition to an SSP regime. The model also describes self-pulsing inhibition to the profit of SML for a sufficiently high pump power. Experimental results agree with most model predictions, but the overestimation of the self-pulsing threshold suggests that the phenomenon is furthered by an effect other than gain saturation.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2005.849947