Abstract

Using low-cost fabrication methods, liquid phase epitaxy and strip-loading a short fiber piece with a fluid, channel waveguide lasing is demonstrated in KY(WO<sup>4</sup>)<sup>2</sup>:Yb<sup>3+</sup>. Threshold is 82 mW, slope efficiency 30%, and output power 14 mW.

© 2008 Optical Society of America

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