Design and optimization of ultrathin spectral filters based on silicon nanocross antenna arrays
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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The method of determining fitness by matching the transmittance spectrum to the CIE 1931 XYZ standard observer color matching function is better than optimizing chromaticity coordinates because it also optimizes for high transmission efficiency in addition to color purity.
“This method of determining fitness is better than optimizing the chromaticity coordinates because it also optimizes for high transmission efficiency in addition to color purity.”
From Robust inverse design of all-dielectric metasurface transmission-mode color filters (2020) · cites this paper as [49]
Cites
Plasmonic metasurfaces for efficient phase control in reflection
Pors, A., & Bozhevolnyi, S. I. (2013) · Optics Express · doi:10.1364/oe.21.027438 · Cited by 334 · see citing works
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Robust inverse design of all-dielectric metasurface transmission-mode color filters
Panda, S. S., Vyas, H. S., & Hegde, R. S. (2020) · Optical Materials Express · doi:10.1364/ome.409186 · Cited by 33 · see citing works
Self-citation
- Authors
- Hegde, R. S., & Panse, K. S.
- Affiliations
- Indian Institute of Technology Gandhinagar (IN)
- Venue
- Journal of Nanophotonics
- Publisher
- SPIE-Intl Soc Optical Eng
- Published
- 2016-06-30
- Volume
- 10
- Issue
- 02
- Pages
- 1-10
- ISSN
- 1934-2608 (ISSN-L)
- OpenAlex
- W2472529102
- Cited by
- 5
- References
- 1
- Citations by year
- 2022: 1 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 1
- FWCI
- 0.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Nanophotonics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
- Physical Sciences › Materials Science › Surfaces, Coatings and Films › Optical Coatings and Gratings
- Keywords
- all-dielectric nanoantennas, spectral filtering, color generation, low-power displays
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