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Spectral Splitting Based on Electromagnetically Induced Transparency in Plasmonic Waveguide Resonator System

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Abstract

Spectral splitting is numerically investigated based on the electromagnetically induced transparency (EIT) in a nanoscale plasmonic waveguide resonator system, which consists of a square ring resonator coupled with a stub-shaped metal-insulator-metal (MIM) waveguide. Simulation results show that the transparency window can be easily tuned by changing the geometrical parameters of the structure and the material filled in the resonators. By adding another stub or (and) square ring resonator, multi-EIT-like peaks appear in the broadband transmission spectrum, and the physical mechanism is presented. Our compact plasmonic structure may have potential applications for nanoscale optical switching, nanosensor, nanolaser, and slow-light devices in highly integrated optical circuits.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China under Grant No. 11374041, National Basic Research Program of China under Grant No. 2010CB923202 and Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), People’s Republic of China.

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Authors and Affiliations

  1. State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Zhao Chen, Wenhui Wang, Luna Cui, Li Yu, Gaoyan Duan, Yufang Zhao & Jinghua Xiao

  2. School of Science, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Zhao Chen, Wenhui Wang, Luna Cui, Li Yu, Gaoyan Duan, Yufang Zhao & Jinghua Xiao

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  1. Zhao Chen
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  2. Wenhui Wang
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  3. Luna Cui
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  4. Li Yu
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  5. Gaoyan Duan
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  6. Yufang Zhao
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  7. Jinghua Xiao
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Correspondence to Li Yu.

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Chen, Z., Wang, W., Cui, L. et al. Spectral Splitting Based on Electromagnetically Induced Transparency in Plasmonic Waveguide Resonator System. Plasmonics 10, 721–727 (2015). https://doi.org/10.1007/s11468-014-9858-1

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  • DOI: https://doi.org/10.1007/s11468-014-9858-1

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