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Synthesis of picosecond pulses by spectral compression and shaping of femtosecond pulses in engineered quadratic nonlinear media

机译:在工程二次非线性介质中通过频谱压缩和飞秒脉冲整形合成皮秒脉冲

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摘要

Narrow-bandwidth picosecond pulses of predetermined spectral and temporal shapes are generated with high efficiency by frequency conversion of femtosecond pulses in lithium tantalate crystals with engineered quasi-phase-matching structures. We give examples of the synthesis of Gaussian and super-Gaussian pico-second pulses and also of a pair of synchronized phase-coherent picosecond pulses with a predetermined carrier-frequency difference.
机译:通过对具有设计的准相位匹配结构的钽酸锂晶体中的飞秒脉冲进行频率转换,可以高效地产生预定频谱和时间形状的窄带宽皮秒脉冲。我们给出了合成高斯和超高斯皮秒脉冲的示例,还给出了一对具有预定载频差的同步相干皮秒脉冲的合成示例。

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