This paper presents the fabrication of waveguides in lithium-tantalate using a 250-kHz repetition-rate ultrafast laser. Micro-Raman and second-harmonic microscopy studies indicate the preservation of optical nonlinearity in guiding regions formed by the laser-induced lattice compression.
© 2009 The Optical Society
(230.0230) Optical devices : Optical devices
(230.7370) Optical devices : Waveguides
(350.0350) Other areas of optics : Other areas of optics
(350.3390) Other areas of optics : Laser materials processing
B. McMillen, K. P. Chen, D. Jaque, H. An, and S. Fleming, "Second Harmonic and Raman Imaging of Ultrafast Laser Written LiTaO<sup>3</sup>Waveguides," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThP1.
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