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Subwavelength Color Routing with Tunable Switching Wavelength

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Abstract

Scattering patterns of nanoantennas consisting of closely spaced parallel gold and silver nanoplatelets are numerically calculated. It is demonstrated that such a system scatters light in different directions depending on its wavelength. It is found that variations of nanoplatelet widths and lengths makes it possible to widely vary the wavelength at which the dominating light scattering direction reverses. A convenient way to select nanoplatelet sizes to design a nanoantenna with a specified switch wavelength is proposed.

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Funding

This study was supported by the Russian Science Foundation, project no. 19-79-30086.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    A. D. Kondorskiy & A. V. Mekshun

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  1. A. D. Kondorskiy
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  2. A. V. Mekshun
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Correspondence to A. D. Kondorskiy.

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The authors declare that they have no conflicts of interest.

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Translated by A. Kazantsev

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Kondorskiy, A.D., Mekshun, A.V. Subwavelength Color Routing with Tunable Switching Wavelength. Bull. Lebedev Phys. Inst. 49, 346–349 (2022). https://doi.org/10.3103/S1068335622100050

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  • DOI: https://doi.org/10.3103/S1068335622100050

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