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Journal of Nanophotonics

Design and optimization of ultrathin spectral filters based on silicon nanocross antenna arrays
Author(s): Ravi S. Hegde; Kaustubh S. Panse
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Paper 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.

Paper Details

Date Published: 30 June 2016
PDF: 10 pages
J. Nanophoton. 10(2) 026030 doi: 10.1117/1.JNP.10.026030
Published in: Journal of Nanophotonics Volume 10, Issue 2
Show Author Affiliations
Ravi S. Hegde, Indian Institute of Technology Gandhinagar (India)
Kaustubh S. Panse, Indian Institute of Technology Gandhinagar (India)


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