Nanoscale Fabry-Perot interferometer using channel plasmon-polaritons in triangular metallic grooves

被引：44

作者：

Pile, DFP

Gramotnev, DK

机构：

[1] Univ Tokushima, Fac Engn, Dept Opt Sci & Technol, Tokushima 7708506, Japan

[2] Queensland Univ Technol, Sch Phys & Chem Sci, Appl Opt Program, Brisbane, Qld 4001, Australia

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 16期

基金：

日本学术振兴会;

关键词：

D O I：

10.1063/1.1905799

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this letter, we demonstrate the possibility of an effective nanoscale Fabry-Perot interferometer in a subwavelength plasmonic waveguide in the form of a triangular groove on a metal surface, guiding channel plasmon-polaritons. The resonant cavity is formed by two semitransparent metal membranes (mirrors) placed into the groove. Effective filtering effect of the cavity is demonstrated, resulting in single-mode output from the cavity. Typical quality factor for the cavity of the resonant length is determined to be Q similar to 100 for the silver-vacuum structure with the 30 degrees groove angle. Possible ways of increasing this factor are discussed. (c) 2005 American Institute of Physics.

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页码：1 / 3

页数：3

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