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首页> 外文期刊>Optics Letters >Planar-waveguide quasi-phase-matched second-harmonic-generation device in Y-cut MgO-doped LiNbO_(3)
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Planar-waveguide quasi-phase-matched second-harmonic-generation device in Y-cut MgO-doped LiNbO_(3)

机译:Y型掺MgO的LiNbO_(3)中的平面波导准相匹配二次谐波发生装置

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摘要

We designed a planar-waveguide quasi-phase-matched second-harmonic-generation device, which consists of a Y-cut periodically poled 5 mol.percent MgO-doped LiNbO_(3) core and SiO_(2) claddings, that provided a 1.08 W green light with 30percent conversion efficiency by using a 7 mm long sample at room temperature. The highest conversion efficiency of 49percent at 0.88 W second-harmonic generation was attained by using an 18 mm long device.
机译:我们设计了一种平面波导准相匹配的二次谐波发生装置,该装置由Y形切割的周期性极化5摩尔百分比的掺MgO的LiNbO_(3)磁芯和SiO_(2)包层组成,提供1.08在室温下使用7毫米长的样品,可产生30%的转换效率的绿光。通过使用18 mm长的器件,在0.88 W的二次谐波产生时,最高转换效率为49%。

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