Carrier-envelope phase measurement using plasmonic-field-enhanced high-order harmonic generation of H atom in few-cycle laser pulses

被引：0
|
作者：
李伟 [1 ]
王国利 [1 ]
周效信 [1 ]
机构：
[1] College of Physics and Electronic Engineering, Northwest Normal University
来源：
Chinese Physics B | 2016年 / 25卷 / 05期
基金：
中国国家自然科学基金;
关键词：
high-order harmonic generation; carrier-envelope phase; plasmonics; inhomogeneous field;
D O I：
暂无
中图分类号：
O562 [原子物理学];
学科分类号：
070203 ; 1406 ;
摘要：
We investigate the plasmonic-field-enhanced high-order harmonic generation(HHG) of H atom driven by few-cycle laser pulses, by solving the time-dependent Schr?dinger equation(TDSE). Compared with the homogeneous field, HHG spectra generated by inhomogeneous field exhibit two-plateau structure. We analyze the origin of the two plateaus by using the semiclassical trajectory method. Our results from both classical and TDSE simulations show that the cutoffs of the two plateaus are dramatically affected by the carrier-envelope phase(CEP) of laser pulse in the inhomogeneous field, even for a little longer pulse. Thus, we can determine the CEP of driving laser based on the cutoff position of HHG generated in the inhomogeneous field.
引用
收藏
页码：144 / 149
页数：6
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