Plasmonic-induced transparency in a MIM waveguide with two side-coupled rectangular ring disk structures

Wei Du; Lili Liu; Lipeng Jiao; Kunpeng Jiao; Di Wu; Yulin Sheng; Mei Wang; Feng Xia; Weijin Kong; Maojin Yun

doi:10.1117/12.2320071

19 September 2018 Plasmonic-induced transparency in a MIM waveguide with two side-coupled rectangular ring disk structures

Wei Du, Lili Liu, Lipeng Jiao, Kunpeng Jiao, Di Wu, Yulin Sheng, Mei Wang, Feng Xia, Weijin Kong, Maojin Yun

Author Affiliations +

Proceedings Volume 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI; 1072225 (2018) https://doi.org/10.1117/12.2320071
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

Plasmonic-induced transparency (PIT) in the metal-insulator-metal plasmonic waveguide with two side-coupled rectangular ring disk structures is numerically investigated. The PIT resonance occurs as a consequence of the destructive interference between the two structures. It is found that the transmittance can be easily adjusted by changing the parameters of the structure and coupling distance between the structure and waveguide. By optimizing the parameters, the transmittance of the structure can up to 75% in our discussion. These results may have important applications for designing integrated devices such as narrow-frequency optical filters, novel sensors and high-speed switches.

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Wei Du, Lili Liu, Lipeng Jiao, Kunpeng Jiao, Di Wu, Yulin Sheng, Mei Wang, Feng Xia, Weijin Kong, and Maojin Yun "Plasmonic-induced transparency in a MIM waveguide with two side-coupled rectangular ring disk structures ", Proc. SPIE 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI, 1072225 (19 September 2018); https://doi.org/10.1117/12.2320071

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KEYWORDS

Waveguides

Transmittance

Transparency

Plasmonic waveguides

Switches

Destructive interference

Dielectrics

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