Abstract
Wavelength-division multiplexing (WDM) is now recognized as a promising technique for the implementation of future 1.55-µm optical networks. The main reason lies in the possibility of a flexible management (by wavelength routing and securing) while offering very high aggregate bit-rate capacities.1 This application requires flat-gain amplifiers and the natural candidate is the fluoride-based erbium-doped fiber amplifier (EDFFA).2 We have analyzed the parameters that determine its power conversion efficiency (PCE) along with the optimal degree of inversion3 required by gain flatness. The measurement of the parameters used in our model4 has been adapted to the fluoride fiber specificities, which gives satisfactory results.
© 1996 Optical Society of America
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