POLARIZED OPTICAL VORTEX SOLITONS - INSTABILITIES AND DYNAMICS IN KERR NONLINEAR MEDIA

被引:22
作者
LAW, CT [1 ]
SWARTZLANDER, GA [1 ]
机构
[1] WORCESTER POLYTECH INST,DEPT PHYS,WORCESTER,MA 01609
关键词
D O I
10.1016/0960-0779(94)90109-0
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Optical vortex solitons are known to be stable in a scalar nonlinear system, and they have even been observed. We now explore the effects of polarization on the vortices, and find that they are unstable in Kerr defocusing media, except when the beam is circularly polarized. Numerical simulations verify this and show remarkable beam evolution, including vortex shedding and reversal of topological charge.
引用
收藏
页码:1759 / 1766
页数:8
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