Silver nanowire ring resonator

We demonstrate a silver nanowire ring resonator with a ring diameter of 10.2 μm. The ring cavity is formed by coupling both ends of a 145-nm-diameter single silver nanowire into a closed loop. A Q-factor of 160 and a free spectral range of 10.6 nm are obtained for light centered around 800 nm. The s...

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Bibliographic Details
Published in:Chinese science bulletin 2010-08, Vol.55 (24), p.2649-2651
Main Authors: Guo, Xin, Zhang, XiNing, Tong, LiMin
Format: Article
Language:English
Subjects:
Chemistry/Food Science
Earth Sciences
Engineering
Humanities and Social Sciences
Life Sciences
multidisciplinary
Physics
Science
Science (multidisciplinary)
共振器
封闭循环
混合信号处理
环形谐振腔
环结构
耦合腔
自由光谱范围
银纳米线
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Description
Summary:We demonstrate a silver nanowire ring resonator with a ring diameter of 10.2 μm. The ring cavity is formed by coupling both ends of a 145-nm-diameter single silver nanowire into a closed loop. A Q-factor of 160 and a free spectral range of 10.6 nm are obtained for light centered around 800 nm. The self-coupled ring structure offers opportunities for realizing compact plasmonic resonators with tight confinement for hybrid optical and plasmonic signal processing.
ISSN:1001-6538
1861-9541
DOI:10.1007/s11434-010-4028-0