Highly efficient KY(WO $_{4}$ ) $_{2}$ :Gd $^{3+}$ , Lu $^{3+}$ , Yb $^{3+}$ channel waveguide laser

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Highly efficient KY(WO $_{4}$ ) $_{2}$ :Gd $^{3+}$ , Lu $^{3+}$ , Yb $^{3+}$ channel waveguide laser. In: Europhoton Conference, 30 Aug - 3 Sep 2010, Hamburg, Germany.

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Abstract:	A double tungstate waveguide with high refractive index contract between layer and substrate is grown and microstructured by Ar beam milling. Channel waveguide lasing with excellent mode confinement, a threshold of 5 mW and slope efficiency of 62% versus launched pump power, and 75 mW output power is demonstrated.
Item Type:	Conference or Workshop Item
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Integrated Optical MicroSystems (IOMS)
Link to this item:	http://purl.utwente.nl/publications/72531
Organisation URL:	http://www.europhoton.org/conference-program
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Highly efficient KY(WO):Gd, Lu, Yb channel waveguide laser

Highly efficient KY(WO $_{4}$ ) $_{2}$ :Gd $^{3+}$ , Lu $^{3+}$ , Yb $^{3+}$ channel waveguide laser