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arXiv 1702.03103physics.optics
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等离子体激元在纳米线中的传输

Transmission of plasmons through a nanowire

Peter Geisler, Enno Krauss, Gary Razinskas, Bert Hecht

摘要:

等离子体激元沿纳米线传播的精确定量的理解是强制性的设计和创建功能器件。在这里,我们调查等离子体通过自上而下制造的单晶金纳米线在玻璃基板上的传输。我们表明,通过有限长度的纳米线的传输可以描述的法布里-珀罗振荡,与自由空间传播的光在入射端发射的节拍。使用一个扩展的法布里-珀罗模型,实验和模拟的长度相关的传输信号同意定量与一个完整的分析模型。

英文摘要:

Exact quantitative understanding of plasmon propagation along nanowires is mandatory for designing and creating functional devices. Here we investigate plasmon transmission through top-down fabricated monocrystalline gold nanowires on a glass substrate. We show that the transmission through finite-length nanowires can be described by Fabry-Pérot oscillations that beat with free-space propagating light launched at the incoupling end. Using an extended Fabry-Pérot model, experimental and simulated length dependent transmission signals agree quantitatively with a fully analytical model.

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