Breathing solitons in nematic liquid crystals

被引：20
|
作者：
Strinic, A. I. [1 ,2 ]
Petrovic, M. [1 ,2 ]
Timotijevic, D. V. [1 ,2 ]
Aleksic, N. B. [1 ]
Belic, M. R. [2 ]
机构：
[1] Inst Phys, Belgrade 11001, Serbia
[2] Texas A&M Univ Qatar, Doha, Qatar
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 14期
基金：
新加坡国家研究基金会;
关键词：
MODULATIONAL INSTABILITY; BEAM-PROPAGATION; WAVE-GUIDE; GROWTH;
D O I：
10.1364/OE.17.011698
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dynamical and steady-state behavior of beams propagating in nematic liquid crystals (NLCs) is analyzed. A well-known model for the beam propagation and the director reorientation angle in a NLC cell is treated numerically in space and time. The formation of steady-state soliton breathers in a threshold region of beam intensities is displayed. Below the region the beams diffract, above the region spatiotemporal instabilities develop, as the input intensity and the material parameters are varied. Curiously, the only kind of solitons we could demonstrate in our numerical studies was the breathers. Despite repeated efforts, we could not find the solitons with a steady profile propagating in the NLC model at hand. (c) 2009 Optical Society of America
引用
收藏
页码：11698 / 11709
页数：12
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