Coherent and incoherent spatial solitons in bulk nematic liquid crystals

被引：4
|
作者：
Assanto, G
Peccianti, M
Umeton, C
De Luca, A
Khoo, IC
机构：
[1] Terza Univ Rome, Italian Inst Phys Matter, INFM, I-00146 Rome, Italy
[2] Terza Univ Rome, Dept Elect Engn, I-00146 Rome, Italy
[3] Univ Calabria, Italian Inst Phys Matter, INFM, I-87036 Arcavacata Di Rende, CS, Italy
[4] Univ Calabria, Dept Phys, I-87036 Arcavacata Di Rende, CS, Italy
[5] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2002年 / 375卷
关键词：
liquid crystals; spatial solitons; all-optical steering; incoherent spatial solitons;
D O I：
10.1080/10587250210570
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nematic liquid crystals are suitable materials for nonlinear wave propagation. A reorientational nonlinearity can be observed at very low optical intensities and the saturating response of the medium allows for the formation of 3D solitary waves. In this paper we review our recent theoretical and experimental results on spatial soliton formation in a nematic liquid crystal cell. Optical induced waveguiding at mW powers with either a coherent or an incoherent pump is demonstrated. Spatial readdressing of a signal beam in the soliton-waveguide is also shown.
引用
收藏
页码：617 / 629
页数：13
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