Solid-State Source of Subcycle Pulses in the Midinfrared.
Solid-State Source of Subcycle Pulses in the Midinfrared.
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中红外子周期脉冲的固态源。
DOI：
10.1103/physrevlett.117.043901
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发表时间：
2016
影响因子：
8.6
通讯作者：
A. Zheltikov
中科院分区：
文献类型：
--
作者：
E. A. Stepanov;A. A. Lanin;A. Voronin;A. Fedotov;A. Zheltikov;A. Zheltikov
我们展示了一个强大的，全固态的方法，通过级联的精心优化的参数放大，差频产生，光谱展宽，啁啾补偿阶段的产生微焦耳子周期脉冲在中红外。这种方法的子周期波形生成成为可能，由于一个不寻常的，电离辅助的固态脉冲自压缩动力学，其中高效的光谱展宽是通过超宽带四波参量放大相位匹配附近的零群速度波长的材料。
We demonstrate a robust, all-solid-state approach for the generation of microjoule subcycle pulses in the midinfrared through a cascade of carefully optimized parametric-amplification, difference-frequency-generation, spectral-broadening, and chirp-compensation stages. This method of subcycle waveform generation becomes possible due to an unusual, ionization-assisted solid-state pulse self-compression dynamics, where highly efficient spectral broadening is enabled by ultrabroadband four-wave parametric amplification phase matched near the zero-group-velocity wavelength of the material.