Deflection of nematicons through interaction with dielectric particles

被引:20
|
作者
Izdebskaya, Yana V. [1 ,2 ]
Desyatnikov, Anton S. [1 ]
Assanto, Gaetano [3 ]
Kivshar, Yuri S. [1 ]
机构
[1] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, Canberra, ACT 0200, Australia
[2] Taurida Natl Univ, Dept Phys, UA-95007 Simferopol, Ukraine
[3] Univ Rome Roma Tre, Nonlinear Opt & OptoElect Lab, I-00146 Rome, Italy
基金
澳大利亚研究理事会;
关键词
NONLOCAL SPATIAL SOLITONS; PLANAR WAVE-GUIDES; LIQUID-CRYSTALS; LIGHT; BEAMS; REFLECTION; REFRACTION; SIGNAL; MEDIA;
D O I
10.1364/JOSAB.30.001432
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show that the simple interaction of spatial optical solitons in nematic liquid crystals with dielectric particles preserves in most cases the self-confinement of these robust nonlinear self-trapped beams, also known as nematicons. Employing spherical defects such as air bubbles and glass spheres, we report on the experimental observation of total internal reflection as well as refractive deflection of nematicons, with angular changes as large as nearly 90 degrees. We also show multiple reflections and the interaction of a particle with two counterpropagating nematicons. (C) 2013 Optical Society of America
引用
收藏
页码:1432 / 1437
页数:6
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