Using a femtosecond laser tracks were written in Yb:YAG. Due to stress induced birefringence waveguiding was possible in channels surrounding the tracks. Laser oscillation was achieved with an output-power of 719mW at 1223mW of pump-power.
© 2009 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(230.0230) Optical devices : Optical devices
(230.7380) Optical devices : Waveguides, channeled
(140.3615) Lasers and laser optics : Lasers, ytterbium
J. Siebenmorgen, T. Calmano, K. Petermann, and G. Huber, "Demonstration of a fs-Laser Written Highly Efficient Yb:YAG Channel Waveguide Laser," in Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest, OSA Technical Digest (CD) (Optical Society of America, 2009), paper LMTuC2.
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