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Fluorescence-based measurement of g*(λ) for erbium-doped fluoride fiber amplifiers

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2 Author(s)
Tench, R.E. ; Bell Labs., Lucent Technol., Breinigsville, PA, USA ; Shimizu, M.

We report a direct measurement of the gain coefficient g* (λ) for an erbium-doped fluoride fiber from the longitudinal fluorescence spectrum of a 980-nm-pumped amplifier. Measurements of the absorption coefficient α(λ) and the saturation parameter ξ are also reported. The fluorescence-based g *(λ) is compared with the functional dependence predicted by McCumber theory

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Lightwave Technology, Journal of  (Volume:15 ,  Issue: 8 )