Isolated sub-30-as pulse generation from few-cycle spatially inhomogeneous laser pulses

被引：3

作者：

Xiang, Yang ^{[1
]}

Cui, Zhiheng ^{[1
]}

Lu, Jing ^{[1
]}

Xu, Yuan ^{[1
]}

Feng, Hongmei ^{[1
]}

Wang, Xiaoqi ^{[1
]}

Wang, Jian ^{[1
]}

机构：

[1] Henan Polytech Univ, Sch Phys & Elect Informat Engn, Jiaozuo 454000, Henan Province, Peoples R China

来源：

JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2017年 / 26卷 / 02期

基金：

中国国家自然科学基金;

关键词：

High-order harmonic generation; Attosecond; Spatially inhomogeneous field; HIGH-HARMONIC-GENERATION; ATTOSECOND PULSES; NONLINEAR OPTICS; FIELD; PHYSICS;

D O I：

10.1142/S0218863517500266

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate theoretically the high-order harmonic generation from few-cycle spatially inhomogeneous laser pulses. It is found that the cutoff of the high-order harmonic spectrum extends dramatically compared with that from homogeneous pulse. With proper inhomogeneous parameters, a broad continuum spectrum appears, from which an isolated attosecond pulse with duration less than 30as could be obtained without any phase compensation. The duration of generated attosecond pulse is not sensitive to the variation of the carrier-envelop phase of the driver field, which may be beneficial to the realization in experiment.

引用

页数：10

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