42%-efficient single-pass cw second-harmonic generation in periodically poled lithium niobate
- 15 December 1997
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 22 (24) , 1834-1836
- https://doi.org/10.1364/ol.22.001834
Abstract
We present a full-wafer fabrication process for periodically poled lithium niobate with a domain period. Samples that were 53 mm long and 0.5 mm thick were obtained with this process for single-pass cw 1064-nm Nd:YAG second-harmonic generation. These samples exhibited 78% of the ideal nonlinear coefficient, had a measured conversion efficiency of 8.5% in the low-power limit, and produced 2.7 W of cw 532-nm output with 6.5 W of cw input, which corresponds to 42% power conversion efficiency.
Keywords
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