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Conferences > OFC > 1995 > TuP > TuP2

Impact of fluoride-based EDFAs' gain flatness on the design of a WDM amplifier cascade

D. Bayart, J. Hervo, and F. Chiquet

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Abstract

Fluoride-based erbium-doped fiber amplifiers (EDFAs) have shown their ability to amplify equally wavelength-division-multiplexed (WDM) signals over a large bandwidth permitting high aggregate bit rates1 and wavelength routing in all-optical networks. Their gain flatness is, nevertheless, degraded by a small depression within the gain spectrum. We present here a new figure of merit, defined as the ratio of the gain ripple to the gain peak level, for the gain flatness of EDFAs, which determines the maximum number of cascaded amplifiers in WDM links.2 Results agree well with experiment.

© 1995 Optical Society of America

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