Control of high-order harmonic generation with chirped inhomogeneous fields

被引：32
作者：
Yuan, Hua [1 ,2 ]
Li, Fang [3 ]
Long, Hua [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China
[3] Wuhan Inst Technol, Lab Opt Informat Technol, Wuhan 430205, Hubei, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2017年 / 34卷 / 11期
基金：
中国国家自然科学基金;
关键词：
REAL-TIME OBSERVATION; ATTOSECOND PULSES; ELECTRON MOTION; ENHANCEMENT; IONIZATION; MOLECULES;
D O I：
10.1364/JOSAB.34.002390
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically investigate high-order harmonic generation (HHG) in the chirped inhomogeneous field. The results show that by using a chirped pulse, the HHG in the inhomogeneous field can be efficiently controlled. The harmonic cutoffs can be extended. Supercontinua with photon energies ranging from 201 to 263 eV and isolated attosecond pulses with durations less than 90 as are produced without carrier -envelope phase stabilization. Furthermore, it is shown that our scheme is robust against the variation of the inhomogeneity of the laser field. All our results are well explained by the quantum and classical analysis. (C) 2017 Optical Society of America
引用
收藏
页码：2390 / 2395
页数：6
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