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Conferences > OFC > 1992 > ThI > ThI7

Low-loss dissimilar-fiber wavelength division multiplexers for 980 nm pumped fiber-optic amplifiers

D. L. Weidman and D. W. Hall

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Abstract

The efficient utilization of pump power in an erbium-doped fiber optic amplifier (EDFA) requires a mode-field diameter in the gain fiber that is substantially smaller than that of standard single-mode telecommunications fiber.1 The splice loss between the standard single-mode and gain fibers typically may be in the range of 2 dB at 980 nm and 0.5 dB at 1550 nm for a core Δ of 1.0% in the gain fiber. In a counterpropagating pump power amplifier, this results in a reduction of signal output power equal to the sum of these two splice losses.2

© 1992 Optical Society of America

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