Highly confined optical modes in nanoscale metal-dielectric multilayers

被引:196
作者
Avrutsky, Ivan [1 ]
Salakhutdinov, Ildar
Elser, Justin
Podolskiy, Viktor
机构
[1] Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USA
[2] Oregon State Univ, Dept Phys, Corvallis, OR 97331 USA
关键词
D O I
10.1103/PhysRevB.75.241402
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We show that a stack of metal-dielectric nanolayers, in addition to the long- and short-range plasmon polaritons, guides also an entire family of modes strongly confined within the multilayer-the bulk plasmon polariton modes. We propose a classification scheme that reflects specific properties of these modes. We report experimental verification of the bulk modes by measuring modal indices in a structure made of three pairs of silica (similar to 29 nm)/gold (similar to 25 nm) layers.
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页数:4
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