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arXiv 0805.2698nlin.PS
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蜂窝状散焦光子晶格中的孤子和涡旋

Solitons and vortices in honeycomb defocusing photonic lattices

K. J. H. Law, H. Susanto, P. G. Kevrekidis

摘要:

对二维光致蜂窝状散焦光子晶格第一带隙中的孤子和项链进行了理论研究。结果表明,偶极子,孤子项链,涡项链存在,并可能拥有通过光折变晶体的稳定传播区域。大多数的配置消失在分叉靠近第一频带的上边缘。与这种分叉的解决方案也进行了数值研究,它被发现,他们往往是不对称的,更奇特的。相关的不稳定结构的动力学也通过直接的数值模拟揭示呼吸振荡,或在某些情况下,破坏原始波形。

英文摘要:

Solitons and necklaces in the first band-gap of a two-dimensional optically induced honeycomb defocusing photonic lattice are theoretically considered. It is shown that dipoles, soliton necklaces, and vortex necklaces exist and may possess regions of stable propagation through a photorefractive crystal. Most of the configurations disappear in bifurcations close to the upper edge of the first band. Solutions associated with such bifurcations are also numerically examined, and it is found that they are often asymmetric and more exotic. The dynamics of the relevant unstable structures are also examined through direct numerical simulations revealing either breathing oscillations or, in some cases, destruction of the original waveform.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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