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980-nm diode-pumped Tm 3 + Yb 3 + -codoped tellurite fiber for S-band amplification

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Abstract

We report gain measurements in Tm3+Yb3+-codoped tellurite glass fibers in the 1460–1530-nm region using a conventional 980-nm pumping scheme. The gain spectrum is dependent on the geometry of the fiber and the length owing to the superfluorescence upconversion pump scheme.

© 2005 Optical Society of America

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