Abstract
In this paper, we propose and demonstrate an original exploitation of relaxation oscillations of
erbium-doped-fiber laser ring resonators based on a general model for Er cross-sectional characterization. Its main
advantage as compared to other existing exploitations relies on the fact that only weak approximations relative to
spatial light distribution in the laser are imposed. It is therefore applicable to various resonator configurations,
i.e., independent of the active-media length and losses encountered during the single-pass loop propagation. An
experimental demonstration is finally presented by comparing the extracted Erbium parameters (intrinsic saturation
power and absorption) to those obtained with other methods.
© 2007 IEEE
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