Fano-resonance based tunable all-dielectric metasurfaces

Keshav Samrat Modi; Jasleen Kaur; Satya Pratap Singh; Umesh Tiwari; Ravindra Kumar Sinha

doi:10.1117/12.2544250

26 February 2020 Fano-resonance based tunable all-dielectric metasurfaces

Keshav Samrat Modi, Jasleen Kaur, Satya Pratap Singh, Umesh Tiwari, Ravindra Kumar Sinha

Author Affiliations +

Proceedings Volume 11290, High Contrast Metastructures IX; 112901F (2020) https://doi.org/10.1117/12.2544250
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

In this paper, we proposed and theoretically simulated the tunable all-dielectric metasurface by varying the bisecting angular gap. The Fano-resonance position for the proposed silicon-on-silica structure shows the blue-shift with an increase in the angular gap. We have also observed the steep rise in the linewidth (FWHM) due to the increase in the angular gap. Such designs of the metasurfaces can provide a customized solution for various applications like modulator, filter, biochemical sensors.

Conference Presentation

Citation Download Citation

Keshav Samrat Modi, Jasleen Kaur, Satya Pratap Singh, Umesh Tiwari, and Ravindra Kumar Sinha "Fano-resonance based tunable all-dielectric metasurfaces", Proc. SPIE 11290, High Contrast Metastructures IX, 112901F (26 February 2020); https://doi.org/10.1117/12.2544250

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