Experimental Observation of Self-Accelerating Beams in Quadratic Nonlinear Media

被引：167

作者：

Dolev, Ido ^{[1
]}

Kaminer, Ido ^{[2
,3
]}

Shapira, Asia ^{[1
]}

Segev, Mordechai ^{[2
,3
]}

Arie, Ady ^{[1
]}

机构：

[1] Tel Aviv Univ, Fleischman Fac Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel

[2] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[3] Technion Israel Inst Technol, Inst Solid State, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 11期

基金：

以色列科学基金会;

关键词：

AIRY BEAMS; WAVE-PACKETS; GENERATION;

D O I：

10.1103/PhysRevLett.108.113903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the experimental observation of 1D and 2D self-accelerating nonlinear beams in quadratic media, which are also the first nonlinear self-accelerating beams in any symmetric nonlinearity. Notably, we show that the intensity peaks of the first and second harmonics are asynchronous with respect to one another, but the coupled harmonics exhibit joint acceleration within the nonlinear medium. Finally, we demonstrate the impact of self-healing effects on the jointly accelerating first and second harmonics.

引用

页数：5

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