包覆非线性克尔介质的纳米金属孔结构实现光束的分裂与聚焦现象
摘要
We demonstrate that a finite number of nano-slits can realize beam splitting and focusing of light by coating the metallic film surfaces with nonlinear Kerr medium. The numerical simulation shows that the beam splitting and focusing can be controlled by the incident light intensity. The splitting angle is quasiperiodically modulated by the incident light intensity, and the focusing length of forward propagating transmitted light decreases as the incident light intensity increases. These effects are explained by the surface plasmon polariton Bloch modes and self-focusing theory.
引用本文（GB/T 7714）
Li‐Chun Wang, Hongju Guo, Li Deng, 等. 包覆非线性克尔介质的纳米金属孔结构实现光束的分裂与聚焦现象[J]. Chinese Optics Letters, 2010.
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