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  • Title: Second harmonic generation of periodically poled potassium titanyl phosphate waveguide using femtosecond laser pulses.
    Author: Zhang S, Yao J, Liu W, Huang Z, Wang J, Li Y, Tu C, Lu F.
    Journal: Opt Express; 2008 Sep 01; 16(18):14180-5. PubMed ID: 18773027.
    Abstract:
    The authors have presented in this paper the fabrication and characterization of double line written type waveguides in c-cut periodically poled potassium titanyl phosphate crystals. The waveguides were fabricated by using a femtosecond laser, and were utilized for second harmonic generation at 1064 nm. Our experiments have shown that single mode propagation was observed at optimal waveguide width of 14.5 microm. And a conversion efficiency of 39.6% can be achieved.
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