All-dielectric metasurfaces based on cross-shaped resonators for color pixels with extended gamut.

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dc.contributor.author Vashistha, Vishal
dc.contributor.author Vaidya, Gayatri
dc.contributor.author Hegde, Ravi S.
dc.contributor.author Serebryannikov, Andriy E.
dc.contributor.author Bonod, Nicolas
dc.contributor.author Krawczyk, Maciej
dc.date.accessioned 2017-06-14T10:18:45Z
dc.date.available 2017-06-14T10:18:45Z
dc.date.issued 2017-05
dc.identifier.citation Vashistha, Vishal; Vaidya, Gayatri; Hegde, Ravi S.; Serebryannikov, Andriy E.; Bonod, Nicolas and Krawczyk, Maciej, “All-dielectric metasurfaces based on cross-shaped resonators for color pixels with extended gamut”, ACS Photonics, DOI: 10.1021/acsphotonics.6b00853, vol. 4, no. 5, pp. 1076-1082, Mar. 2017.
dc.identifier.issn 2330-4022
dc.identifier.uri http://dx.doi.org/10.1021/acsphotonics.6b00853
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/2975
dc.description.abstract Printing technology based on plasmonic structures has many advantages over pigment-based color printing such as high resolution, ultracompact size, and low power consumption. However, due to high losses and broad resonance behavior of metals in the visible spectrum, it becomes challenging to produce well-defined colors. Here, we investigate cross-shaped dielectric nanoresonators, which enable high-quality resonances in the visible spectral regime and, hence, high-quality colors. We numerically predict and experimentally demonstrate that the proposed all-dielectric nanostructures exhibit high-quality colors with selective wavelengths, in particular, due to lower losses as compared to metal-based plasmonic filters. This results in fundamental colors (RGB) with high hue and saturation. We further show that a large gamut of colors can be achieved by selecting the appropriate length and width of individual Si nanoantennas. Moreover, the proposed all-dielectric metasurface-based color filters can be integrated with the well-matured fabrication technology of electronic devices. en_US
dc.description.statementofresponsibility by Vishal Vashistha, Gayatri Vaidya, Ravi S. Hegde, Andriy E. Serebryannikov, Nicolas Bonod and Maciej Krawczyk
dc.format.extent Vol. 4, no. 5, pp. 1076-1082
dc.language.iso en_US en_US
dc.publisher American Chemical Society en_US
dc.subject All-dielectric nanophotonics en_US
dc.subject Color filter en_US
dc.subject Nanoantenna en_US
dc.subject Plasmonics en_US
dc.subject Structural colors en_US
dc.title All-dielectric metasurfaces based on cross-shaped resonators for color pixels with extended gamut. en_US
dc.type Article en_US
dc.relation.journal ACS Photonics


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