Broadband UV-Vis Frequency Combs from High-harmonic Generation in Quasi-phase-matched Waveguides

Jay Rutledge,Anthony Catanese,Daniel D. Hickstein,Thomas K. Allison,Scott A. Diddams,Abijith S. Kowligy

conference on lasers and electro optics（2021）

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摘要

We report efficient, phase-coherent high-harmonic generation in chirped periodically poled lithium niobate waveguides pumped with a watt-scale 3 µm frequency comb. Simulations support a mechanism of cascaded quadratic nonlinearity and provide insight into spectral optimization.

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关键词

broadband UV-vis frequency combs,quasiphase-matched waveguides,chirped periodically poled lithium niobate waveguides,watt-scale frequency comb,phase-coherent high-harmonic generation,cascaded quadratic nonlinearity,spectral optimization,LiNbO3

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