Nonlinear metamaterials for holography

Euclides Almeida (), Ora Bitton and Yehiam Prior ()
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Euclides Almeida: Weizmann Institute of Science
Ora Bitton: Weizmann Institute of Science
Yehiam Prior: Weizmann Institute of Science

Nature Communications, 2016, vol. 7, issue 1, 1-7

Abstract: Abstract A hologram is an optical element storing phase and possibly amplitude information enabling the reconstruction of a three-dimensional image of an object by illumination and scattering of a coherent beam of light, and the image is generated at the same wavelength as the input laser beam. In recent years, it was shown that information can be stored in nanometric antennas giving rise to ultrathin components. Here we demonstrate nonlinear multilayer metamaterial holograms. A background free image is formed at a new frequency—the third harmonic of the illuminating beam. Using e-beam lithography of multilayer plasmonic nanoantennas, we fabricate polarization-sensitive nonlinear elements such as blazed gratings, lenses and other computer-generated holograms. These holograms are analysed and prospects for future device applications are discussed.

Date: 2016
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DOI: 10.1038/ncomms12533

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