Spectral characteristics of an annular gap plasmonic structure and its application for filters

Dafa Pan; Ying Li; Shilin Yu; Tonggang Zhao

doi:10.1117/12.2541394

12 March 2020 Spectral characteristics of an annular gap plasmonic structure and its application for filters

Dafa Pan, Ying Li, Shilin Yu, Tonggang Zhao

Proceedings Volume 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices; 1144005 (2020) https://doi.org/10.1117/12.2541394
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

In this paper, a surface plasmon waveguide structure consisting of annular gap and metal-insulator-metal waveguides is proposed, and its spectral characteristics are analyzed and studied. The results show that this waveguide structure has good performance in narrowband filtering in sub-wavelength band, and the central wavelength of the transmission peak is linearly related to the angle of the annular with notch. The results are of great significance for the application of filtering structures in highly integrated photonic circuits.

Citation Download Citation

Dafa Pan, Ying Li, Shilin Yu, and Tonggang Zhao "Spectral characteristics of an annular gap plasmonic structure and its application for filters", Proc. SPIE 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1144005 (12 March 2020); https://doi.org/10.1117/12.2541394

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