Subwavelength nanoplasmonic ring resonators

被引：19

作者：

Citrin, DS ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[2] Metz Technopole, Georgia Tech Lorraine, F-57070 Metz, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2005年 / 22卷 / 08期

关键词：

D O I：

10.1364/JOSAB.22.001763

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Electromagnetic ring resonators composed of noncontacting metal nanoparticles are analyzed as building blocks of future plasmonic optical systems. Closed-form expressions for the electromagnetic modes are obtained, and conditions under which such structures exhibit low or high radiative losses are found. Most modes for subwavelength structures exhibit strongly suppressed radiative losses. Possible applications for subwavelength resonators are discussed. Nearest-neighbor tight-binding models are shown to be of severely circumscribed validity. (c) 2005 Optical Society of America.

引用

页码：1763 / 1769

页数：7

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