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Raman amplification and pulsed lasing in cladding-pumped germanosilicate fiber

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Abstract

We report for the first time Raman amplification in a cladding-pumped fiber. The double-clad germanosilicate fiber was pumped by a Q-switched Er-Yb co-doped fiber laser at 1570 nm. The power conversion efficiency was up to 36%, with a slope of 64%.

© 2002 Optical Society of America

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