Control of free space propagation of Airy beams generated by quadratic nonlinear photonic crystals

被引：53

作者：

Dolev, Ido ^{[1
]}

Ellenbogen, Tal ^{[1
]}

Voloch-Bloch, Noa ^{[1
]}

Arie, Ady ^{[1
]}

机构：

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

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 20期

基金：

以色列科学基金会;

关键词：

Fourier transform optics; light propagation; multiwave mixing; optical materials; optical phase matching; photonic crystals;

D O I：

10.1063/1.3266066

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present experimentally the control of free space propagation of an Airy beam. This beam is generated by a nonlinear wave mixing process in an asymmetrically poled nonlinear photonic crystal. Changing the quasi-phase matching conditions, e.g., the crystal temperature or pump wavelength, alters the location of the Airy beam peak intensity along the same curved trajectory. We explain that the variation in the beam shape is caused by noncollinear interactions. Owing to the highly asymmetric shape of nonlinear crystal in the Fourier space, these noncollinear interactions are still relatively efficient for positive (nonzero) phase mismatch.

引用

页数：3

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