Generation of high harmonics and attosecond pulses with ultrashort laser pulse filaments and conical waves

被引：7

作者：

Couairon, A. ^{[1
]}

Lotti, A. ^{[1
,2
]}

Faccio, D. ^{[3
]}

Di Trapani, P. ^{[2
]}

Steingrube, D. S. ^{[5
]}

Schulz, E. ^{[5
]}

Binhammer, T. ^{[5
]}

Morgner, U. ^{[5
]}

Kovacev, M. ^{[5
]}

Gaarde, M. B. ^{[4
]}

机构：

[1] Ecole Polytech, CNRS, Ctr Phys Theor, F-91128 Palaiseau, France

[2] Univ Insubria, Dept Math & Phys, I-22100 Como, Italy

[3] Heriot Watt Univ, Scottish Univ Phys Alliance, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland

[4] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[5] Leibniz Univ Hannover, Inst Quantenopt, D-30167 Hannover, Germany

来源：

PRAMANA-JOURNAL OF PHYSICS | 2014年 / 83卷 / 02期

基金：

美国国家科学基金会;

关键词：

Femtosecond filamentation; high-harmonic generation; nonlinear conical waves; strong field; attosecond science; SELF-COMPRESSION; IONIZATION; AIR; CYCLE; FIELD; DYNAMICS; REGIME; ATOMS;

D O I：

10.1007/s12043-014-0790-x

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Results illustrating the nonlinear dynamics of ultrashort laser pulse filamentation in gases are presented, with particular emphasis on the filament properties useful for developing attosecond light sources. Two aspects of ultrashort pulse filaments are specifically discussed: (i) numerical simulation results on pulse self-compression by filamentation in a gas cell filled with noble gas. Measurements of high harmonics generated by the pulse extracted from the filament allows for the detection of intensity spikes and subcycle pulses generated within the filament. (ii) Simulation results on the spontaneous formation of conical wavepackets during filamentation in gases, which in turn can be used as efficient driving pulses for the generation of high harmonics and isolated attosecond pulses.

引用

页码：221 / 230

页数：10

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