Design and optimization of ultrathin spectral filters based on silicon nanocross antenna arrays

Ravi S. Hegde; Kaustubh S. Panse

doi:10.1117/1.JNP.10.026030

30 June 2016 Design and optimization of ultrathin spectral filters based on silicon nanocross antenna arrays

Ravi S. Hegde, Kaustubh S. Panse

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 2, 026030 (June 2016). https://doi.org/10.1117/1.JNP.10.026030

Abstract

Plasmonic nanoantenna arrays have been investigated in connection with spectral filtering applications in the last decade. We show that an all-dielectric nanoantenna can also perform a similar function. We propose a nanocross-shaped nanoantenna array design and present a numerical study of spectral filters based on this design. A broad gamut of colors is achievable in both the reflective and transmissive modes and is reasonably robust to fabrication-related imperfections. These all-dielectric ultrathin spectral filters are promising for the realization of multispectral image sensors and low-power displays.

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Ravi S. Hegde and Kaustubh S. Panse "Design and optimization of ultrathin spectral filters based on silicon nanocross antenna arrays," Journal of Nanophotonics 10(2), 026030 (30 June 2016). https://doi.org/10.1117/1.JNP.10.026030

Published: 30 June 2016

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