42%-efficient single-pass cw second-harmonic generation in periodically poled lithium niobate
Gregory D. MillerE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305Robert G. BatchkoE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305William TullochE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305Dennis WeiseE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305M. M. FejerE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305Robert L. ByerE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305
1997en
ABI
Annotatsiya
We present a full-wafer fabrication process for periodically poled lithium niobate with a 6.5-mum 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% /W 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.
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