16 December 1993 Novel phase-matching concept for polymer waveguides
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The electric field induced dynamic phase-matching of SHG waveguide was first demonstrated using a main chain type NLO polymer. The optimum phase-matching thickness was controlled by applied an electric field to polymer waveguide. The effective phase-matching thickness variation induced by poling is about 0.025 micrometers which is 6 times larger than FWHM of phase-matching thickness in conventional slab waveguide. The efficient phase-matched SHG was observed from taperless slab waveguide. No decay of SH conversion efficiency is observed in the presence of electric field.
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Toshiyuki Watanabe, Toshiyuki Watanabe, Xu Tang Tao, Xu Tang Tao, D. Zhou, D. Zhou, S. Shimoda, S. Shimoda, Hiroaki Usui, Hiroaki Usui, Hisaya Sato, Hisaya Sato, Seizo Miyata, Seizo Miyata, C. Claude, C. Claude, Yoshiyuki Okamoto, Yoshiyuki Okamoto, } "Novel phase-matching concept for polymer waveguides", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165280; https://doi.org/10.1117/12.165280

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