Highly efficient Gd, Lu co-doped KY(WO4)2:Yb3+ planar waveguide laser


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Geskus, Dimitri and Aravazhi, Shanmugam and Bernhardi, Edward and Grivas, Christos and Wörhoff, Kerstin and Pollnau, Markus (2009) Highly efficient Gd, Lu co-doped KY(WO4)2:Yb3+ planar waveguide laser. In: Proceedings of the European Optical Society, 1st EOS Topical Meeting on Lasers 2009, 27-30 Sep 2009, Capri, Italy (pp. p. 2172).

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Abstract:Laser operation at 1025 nm with 82.3% slope efficiency and 195 mW output power for 23% outcoupling is reported for KY(WO4)2:Yb3+ planar waveguides, co-doped with optically inert Gd3+ and Lu3+ ions. Codoping enhances the refractive index contrast, improves light confinement, and reduces the threshold to 18 mW (1.7% outcoupling).
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/70072
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