Jones, J.K., de Sandro, J.P., Shepherd, D.P., Webjörn, J., Hempstead, M., Wang, J. and Tropper, A.C.
Thermally indiffused Tm3+LiNbO3 waveguide lasers.
In, 12th UK National Quantum Electronics Conference (QE12), Southampton, GB,
04 - 08 Sep 1995.
Rare earth doped LiNbO3 is an interesting laser host as it has nonlinear, electro-optic and acousto-optic properties. Low-loss waveguides can also be made in this material and then combined with thermal indiffusion of the laser dopant. LiNbO3 can also be periodically poled for quasi-phase matching and/or reduced photorefraction. We report the first room temperature lasing of Tm3+:LiNbO3, and the first periodically poled Ti waveguides formed by electric field poling. Lasing was observed at 1.85µm in a Ti-indiffused waveguide with rare earth doping performed by thermal indiffusion.
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