Femtosecond-laser-written Ti:sapphire channel waveguides lase at ~798.25 nm above a threshold pump power of 84 mW with output power and slope efficiency of 143 mW and 23.5%, respectively. Lasing was also observed in picosecond-laser-written channels.
© 2012 OSA
C. Grivas, C. Corbari, G. Brambilla, P. Kazansky, and P. Lagoudakis, "Channel Waveguide Lasers Produced by Femtosecond and Picosecond Direct Laser Writing in Ti:Sapphire Crystals," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JTh2A.65.
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