2016年11月21日 · We demonstrate strongly anisotropic high-harmonic generation in single-crystal MgO. For a linearly polarized field, the HHG signal is strongly enhanced along the Mg–O, …

2018年11月19日 · As for HHG in aligned diatomic molecules 44, You et al. 15 found that high harmonics from MgO depend strongly on the orientation of the crystal with respect to the laser …

2017年9月29日 · The strong ellipticity dependence of high-harmonic generation (HHG) in gases enables numerous experimental techniques that are nowadays routinely used, for instance, to …

气态HHG 的截止能量明显符合平方率的关系，而固态HHG的截止能量在激光强度高于一定阈值时，突然间跳跃到另一个更高的值（固体Ar的cutoff从大约20 eV 跳跃到35 eV, 而固体Kr则从大 …

2021年5月6日 · In this work, we demonstrate the strong field induced dynamic core polarization effect and propose a model for revealing its role in high harmonic generation (HHG) from …

2020年5月12日 · We theoretically investigate the quantum path interferences in interband transitions in solid high-order harmonic generation. The field strength scaling of the 19th …

基于超快强激光与物质相互作用的高次谐波产生 (high-order harmonic generation, HHG)提供了非微扰区光与物质相互作用的研究平台, 同时也是台式化极紫外光源和阿秒脉冲的主要产生途径. …

High order harmonic generation (HHG) in semiconductors opens a new frontier in strong field physics and attosecond science. However, the underlying physical mechanisms are...

High harmonic generation (HHG) from solids shows great application prospects in compact short-wavelength light sources and as a tool for imaging the dynamics in crystals with subnanometer …

2021年6月17日 · In particular, we match a threefold driving field with threefold, fourfold, and sixfold structures of specific crystal cuts of silicon dioxide (quartz) and magnesium oxide …