Conical emission, pulse splitting, and x-wave parametric amplification in nonlinear dynamics of ultrashort light pulses

被引：157

作者：

Faccio, Daniele

Porras, Miguel A.

Dubietis, Audrius

Bragheri, Francesca

Couairon, Arnaud

Di Trapani, Paolo

机构：

[1] Univ Insubria, CNR, INFM, Dept Phys & Math, I-22100 Como, Italy

[2] Univ Politecn Madrid, ETSIM, Dept Fis Aplicada, Madrid 28003, Spain

[3] Vilnius State Univ, Dept Quantum Elect, LT-10222 Vilnius, Lithuania

[4] Univ Pavia, Dept Elect, I-27100 Pavia, Italy

[5] Ecole Polytech, Ctr Phys Theor, CNRS, UMR 7644, F-91128 Palaiseau, France

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.193901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The precise observation of the angle-frequency spectrum of light filaments in water reveals a scenario incompatible with current models of conical emission (CE). Its description in terms of linear X-wave modes leads us to understand filamentation dynamics requiring a phase- and group-matched, Kerr-driven four-wave-mixing process that involves two highly localized pumps and two X waves. CE and temporal splitting arise naturally as two manifestations of this process.

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页数：4

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