We achieved quasi-continuous-wave generation at 589 nm by sum-frequency mixing in periodically-poled KTP of synchronized mode-locked pulses at 1064 and 1319 nm. Conversion efficiency was reached to 14%, even for single-pass pumping using 5-mm-long-crystal.
© 2004 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.7300) Lasers and laser optics : Visible lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
N. Saito, K. Akagawa, N. Saito, Y. Saito, H. Takami, and S. Wada, "An efficient method for quasi-continuous-wave generation at 589 nm by sum-frequency mixing in periodically poled KTP," in Advanced Solid-State Photonics, OSA Technical Digest (Optical Society of America, 2004), paper MB11.
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