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Conferences > CLEO > 1991 > CTuV > CTuV6
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper CTuV6

The influence of various imperfections on the performance of second-harmonic generation in quasi-phase-matching waveguides

S. Helmfrid, G. Arvidsson, J. Webjörn, and F. Laurell

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Abstract

Second-harmonic-generation phase-matching by periodic modulation of effective nonlinearity has been demonstrated in waveguides for Li-NbO3,1,2 KTP,3 and organics.4 In LiNbO3 wave-guides, the conversion efficiency is significantly lower than expected; by optimizing the fabrication process there is thus a potential for increasing second-harmonic power. We have carried out supplementary theoretical analyses of different factors influencing the conversion efficiency. The results are discussed in relation to experimental data.

© 1991 Optical Society of America

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