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Ion-exchanged Waveguides in Periodically Poled Rb-doped KTiOPO4 for Efficient Second Harmonic Generation

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Abstract

We present the fabrication of channel waveguides in PPRKTP crystals for QPM SHG in the blue region. Our waveguides reached a normalized conversion efficiency of 119 %/Wcm2 and showed low loss (0.51dB/cm).

© 2020 The Author(s)

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