Demonstrates 49mW of blue light generation in lithium tantalate waveguides, highlighting strong conversion efficiency.
Efficient second harmonic generation at 400nm is demonstrated in highly photorefractive damage resistant periodically-poled Zr in-diffused LiTaO 3 ridge waveguides. With 540mW in-coupled power 49mW of blue light were generated, yielding 3.5 %W -1 cm -2 normalized conversion efficiency.
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Suntsov et al. (2025) studied this question.
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