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Conferences > OFC > 2024 > Th1D > Th1D.7

Highly Efficient Second-Harmonic Generation in a Double-Layer Thin-Film Lithium Niobate Waveguide

Yuan Li, Lutong Cai, and Lin Zhang

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Abstract

We demonstrate unprecedentedly efficient second-harmonic generation in a thin-film lithium niobate waveguide, with conversion efficiency as high as 9300% W-1cm-2 achieved, which is enabled by greatly enhancing the modal overlap of the higher-order mode in polarization-reversed dual-layer lithium niobate.

© 2024 The Author(s)

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