Multipeaked fundamental and vortex solitons in azimuthally modulated Bessel lattices
Multipeaked fundamental and vortex solitons in azimuthally modulated Bessel lattices
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方位角调制贝塞尔晶格中的多峰基波孤子和涡旋孤子
DOI:
10.1364/josab.28.000780
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发表时间:
2011-04
影响因子:
1.9
通讯作者:
Dong, Liangwei
中科院分区:
文献类型:
--
作者:
Zheng, Jiangbo;Dong, Liangwei
We demonstrate the existence of multipeaked fundamental and vortex solitons in defocusing Kerr media with an imprinted azimuthally modulated Bessel lattice. Multipeaked solitons emanating from the fundamental linear lattice modes are stable in their entire existence domains. The number of soliton peaks is determined by the azimuthal index. Multipeaked vortex solitons with high topological charges in lattices exhibit special amplitude and phase distributions that resemble those of azimuthons. We reveal that the “stability rule” for vortex solitons in defocusing Kerr media is exactly opposite to that in focusing media. Multipeaked vortex solitons we obtained may provide a missing link between the radially symmetric vortices and nonrotating soliton clusters.
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