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. 2019 Mar 18;27(6):8884-8889.
doi: 10.1364/OE.27.008884.

Efficient Nd:Ti:LiNbO 3 Ridge Waveguide Lasers Emitting Around 1085 Nm

Efficient Nd:Ti:LiNbO 3 Ridge Waveguide Lasers Emitting Around 1085 Nm

Dominik Brüske et al. Opt Express. .

Abstract

In this work, we report on efficient neodymium-doped titanium in-diffused ridge waveguide lasers in x-cut congruent LiNbO3 under excitation at 814 nm. For the sample fabrication we used our novel technique of three-side evaporation and in-diffusion for Nd and Ti incorporation into pre-defined ridges. Due to improved photorefractive damage resistance by indium tin oxide (ITO) coating we achieved stable laser operation at 1084.7 nm with a maximum output power of 108 mW and a slope efficiency of 34% exceeding the best literature values for Nd:Ti:LiNbO3 ridge waveguide lasers.

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