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Conferences > CLEO_SI > 2012 > CM4N > CM4N.7

Tandem-pumped ytterbium-doped aluminosilicate fiber amplifier with low quantum defect

Tianfu Yao, Junhua Ji, Jayanta K. Sahu, Andrew S. Webb, and Johan Nilsson

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Abstract

We show theoretically that a quantum-defect below 1% is possible in tandem-pumped Yb-doped aluminosilicate fibers operating off the gain peak. Experimentally, we reach a quantum defect of 2% and a slope efficiency of 90% or more.

© 2012 Optical Society of America

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