Coherent buildup of high-order harmonic radiation: The classical perspective

被引：7

作者：

Berman, S. A. ^{[1
,2
]}

Dubois, J. ^{[2
]}

Chandre, C. ^{[2
]}

Perin, M. ^{[1
]}

Uzer, T. ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA

[2] Aix Marseille Univ, CNRS, Cent Marseille, I2M, Marseille, France

来源：

PHYSICAL REVIEW A | 2018年 / 97卷 / 06期

基金：

欧盟地平线“2020”;

关键词：

BELOW-THRESHOLD HARMONICS; NONLINEAR OPTICS; LASER FIELDS; GENERATION; INTENSE; EFFICIENT; PROPAGATION; PULSES; MODEL;

D O I：

10.1103/PhysRevA.97.061402

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a classical model for high-order harmonic generation during the propagation of an intense laser pulse through an atomic gas. Numerical simulations of the model show excellent quantitative agreement with the corresponding quantum model for the blueshift and intensity reduction of the propagating laser pulse over experimentally realistic propagation distances. We observe a significant extension of the high-order harmonic cutoff due to propagation effects. A phase-space analysis of our classical model uncovers the mechanism behind this extension.

引用

页数：5

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