Optical nanorod antennas as dispersive one-dimensional Fabry-Peacuterot resonators for surface plasmons

被引：91

作者：

Cubukcu, Ertugrul ^{[1
,2
]}

Capasso, Federico ^{[2
]}

机构：

[1] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA

[2] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 20期

关键词：

antennas; circular waveguides; Fabry-Perot resonators; gold; nanophotonics; nanowires; optical dispersion; optical waveguides; surface plasmons;

D O I：

10.1063/1.3262947

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Resonant optical nanoantennas exhibit a different length scaling due to the surface plasmons compared to their radio frequency counterparts. In this letter, we address this difference by calculating the wavelength-dependent effective mode index n(eff) for a cylindrical one-dimensional gold nanowire waveguide. Our results show that nanorod optical antennas act as dispersive and lossy Fabry-Peacuterot resonators for surface plasmons.

引用

页数：3

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