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Silver nanowire ring resonator

  • Article
  • Special Topic Plasmonics
  • Published:
Chinese Science Bulletin

Abstract

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.

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Authors and Affiliations

  1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou, 310027, China

    Xin Guo, XiNing Zhang & LiMin Tong

Authors
  1. Xin Guo
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  2. XiNing Zhang
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  3. LiMin Tong
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Correspondence to LiMin Tong.

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Guo, X., Zhang, X. & Tong, L. Silver nanowire ring resonator. Chin. Sci. Bull. 55, 2649–2651 (2010). https://doi.org/10.1007/s11434-010-4028-0

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  • DOI: https://doi.org/10.1007/s11434-010-4028-0

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