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arXiv 2111.01293physics.opticsnlin.PS
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四波混频Floquet拓扑孤子

Four-wave mixing Floquet topological soliton

Sergey K. Ivanov, Yaroslav V. Kartashov, Vladimir V. Konotop

摘要:

我们考虑一个拓扑Floquet绝缘体实现为蜂窝阵列的螺旋波导压印在弱双折射介质。该系统占四波混频发生在一系列的共振产生的Floquet相位匹配。在这些共振条件下,系统维持稳定的线偏振和亚稳态椭圆偏振双分量边缘孤子。耦合的非线性方程描述这种孤子的包络的演变。

英文摘要:

We consider a topological Floquet insulator realized as a honeycomb array of helical waveguides imprinted in weakly birefringent medium. The system accounts for four-wave mixing occurring at a series of resonances arising due to Floquet phase matching. Under these resonant conditions, the system sustains stable linearly polarized and metastable elliptically polarized two-component edge solitons. Coupled nonlinear equations describing evolution of the envelopes of such solitons are derived.

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