Near-field excitation of nanoantenna resonance

被引:68
作者
Bakker, Reuben M. [1 ]
Boltasseva, Alexandra
Liu, Zhengtong
Pedersen, Rasmus H.
Gresillon, Samuel
Kildishev, Alexander V.
Drachev, Vladimir P.
Shalaev, Vladimir M.
机构
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
[2] Tech Univ Denmark, COM DTU, DK-2800 Lyngby, Denmark
[3] Univ Paris 06, CNRS, Lab Spect Lumiere Pola, F-75005 Paris, France
来源
OPTICS EXPRESS | 2007年 / 15卷 / 21期
关键词
D O I
10.1364/OE.15.013682
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An array of paired elliptic nanoparticles designed to enhance local fields around the particle pair is fabricated with gold embedded in quartz. Light excites a coupled plasmon resonance in the particle pair and the system acts like a plasmonic nanoantenna providing an enhanced electromagnetic field. Near-field scanning optical microscopy and finite element modeling are used to study the local field effects of the nanoantenna system. Local illumination shows similar resonant properties as plane wave illumination: a strong, localized optical resonance for light polarized parallel to the main, center-to-center axis. (C) 2007 Optical Society of America.
引用
收藏
页码:13682 / 13688
页数:7
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