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Creators/Authors contains: "Meng_Sua, Yong"

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  1. ; ; ; ; ; (, Optics Letters)
    Thin-film lithium-niobate-on-insulator (LNOI) has emerged as a superior integrated-photonics platform for linear, nonlinear, and electro-optics. Here we combine quasi-phase-matching, dispersion engineering, and tight mode confinement to realize nonlinear parametric processes with both high efficiency and wide wavelength tunability. On a millimeter-long, Z-cut LNOI waveguide, we demonstrate efficient ( 1900 ±<#comment/> 500 %<#comment/> W −<#comment/> 1 c m −<#comment/> 2 ) and highly tunable ( −<#comment/> 1.71 n m / K ) second-harmonic generation from 1530 to 1583 nm by type-0 quasi-phase-matching. Our technique is applicable to optical harmonic generation, quantum light sources, frequency conversion, and many other photonic information processes across visible to mid-IR spectral bands. 
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