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arXiv 1801.04796nlin.PS
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具有反常色散的Lugiato-Lefever方程定域态的分岔结构

Bifurcation structure of localized states in the Lugiato-Lefever equation with anomalous dispersion

P. Parra-Rivas, D. Gomila, L. Gelens, E. Knobloch

摘要:

研究了由Lugiato-Lefever方程描述的不同类型亮局域结构的起源、稳定性和分岔结构。该平均场模型描述了光在光纤腔和微谐振器中循环的非线性动力学。在反常群速度色散和腔内相位失谐量较小的情况下,这些亮态被组织成同宿蛇形分叉结构。我们描述了如何破坏这种分叉结构时,失谐增加超过一个临界值,并确定如何出现一个新的分叉结构称为叶状蛇形。

英文摘要:

The origin, stability and bifurcation structure of different types of bright localized structures described by the Lugiato-Lefever equation is studied. This mean field model describes the nonlinear dynamics of light circulating in fiber cavities and microresonators. In the case of anomalous group velocity dispersion and low values of the intracavity phase detuning these bright states are organized in a homoclinic snaking bifurcation structure. We describe how this bifurcation structure is destroyed when the detuning is increased across a critical value, and determine how a new bifurcation structure known as foliated snaking emerges.

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