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Yb3+ and Tm3+ doped KGdxLuyY1-x-y(WO4)2 Channel Waveguide Lasers

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Abstract

Channel waveguides with high refractive-index contrast are fabricated in double tungstates. Yb3+ lasers with 71% slope efficiency and 418 mW output power are demonstrated. Tm3+ lasers at 1843 nm have also been demonstrated.

© 2011 Optical Society of America

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