An array of phase singularities in a self-defocusing medium

被引:14
作者
Kim, GH [1 ]
Jeon, JH
Noh, YC
Ko, KH
Moon, HJ
Lee, JH
Chang, JS
机构
[1] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea
[2] Seoul Natl Univ, Condensed Matter Res Inst, Seoul 151742, South Korea
关键词
phase singularity; topological charge; optical vortex soliton; self-defocusing medium;
D O I
10.1016/S0030-4018(97)00605-6
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on experimental investigations of nonlinear propagation of an array of first-order phase singularities with the same charges, which is lining up in a straight line, through a self-defocusing medium. The nonlinear rotation of the singularities depends on their density and is not uniform for each singularity pair. We discuss the non-uniform rotation considering singularity-singularity interaction. (C) 1998 Published by Elsevier Science B.V.
引用
收藏
页码:131 / 137
页数:7
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