Extraction of the in situ temporal information of few-cycle laser pulse from carrier-envelope phase-dependent high order harmonic spectrum

被引：2

作者：

Ye, Peng ^{[1
]}

He, Xinkui ^{[1
]}

Teng, Hao ^{[1
]}

Zhan, Minjie ^{[1
]}

Zhang, Wei ^{[1
]}

Wang, Lifeng ^{[1
]}

Zhong, Shiyang ^{[1
]}

Wei, Zhiyi ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2014年 / 31卷 / 06期

基金：

中国国家自然科学基金;

关键词：

ATTOSECOND PULSES; GENERATION; FREQUENCY; LIGHT; CONVERSION; RADIATION;

D O I：

10.1364/JOSAB.31.001355

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose an in situ method to obtain information on a few-cycle pulse's temporal structure directly from the high order harmonic spectrum. When the carrier-envelope phase (CEP) changes, a half-cycle of a pulse scans over the pulse itself and directly maps the electric field to the trace of the half-cycle cut-off energy. This map can lead to a quick and simple way to extract the real temporal information, including the envelope and the chirp, of the pulse in the process of high-order harmonic generation. This method is verified theoretically by numerical simulations and experimentally by generating high-order harmonics using CEP-controlled few-cycle laser pulse. (C) 2014 Optical Society of America

引用

收藏

页码：1355 / 1359

页数：5

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