OPTICAL VORTEX SOLITONS OBSERVED IN KERR NONLINEAR MEDIA

被引：426
|
作者：
SWARTZLANDER, GA [1 ]
LAW, CT [1 ]
机构：
[1] JOHNS HOPKINS UNIV,DEPT ELECT & COMP ENGN,BALTIMORE,MD 21218
来源：
PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.69.2503
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optical vortex-soliton filaments are observed in a bulk self-defocusing Kerr nonlinear refractive medium. The dark cylindrical core, located at the axis of a 2pi helical phase ramp, is stationary and stable, with a size that depends inversely on the field strength. Wave guiding of a weak probe beam within the core is reported. A single optical vortex soliton was experimentally created using a quasihelical phase mask. Pairs having opposite topological charge were experimentally and numerically investigated using a convective Kelvin-Helmholtz instability of dark soliton stripes.
引用
收藏
页码：2503 / 2506
页数：4
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