Directional visible light scattering by silicon nanoparticles
By Yuan Hsing Fu, Arseniy I. Kuznetsov, Andrey Miroshnichenko, Y. Yu, Boris Lukyanchuk. Nature Communications, 2012
1,037 citations recorded by the source corpus.
Directional light scattering by spherical silicon nanoparticles in the visible spectral range is experimentally demonstrated for the first time. These unique optical properties arise because of simultaneous excitation and mutual interference of magnetic and electric dipole resonances inside a single nanosphere. Such behaviour is similar to Kerker’s-type scattering by hypothetic magneto-dielectric particles predicted theoretically three decades ago. Here we show that directivity of the far-field radiation pattern of single silicon spheres can be strongly dependent on the light wavelength and the nanoparticle size. For nanoparticles with sizes ranging from 100 to 200 nm, forward-to-backward scattering ratio above six can be experimentally obtained, making them similar to ‘Huygens’ sources. Unique optical properties of silicon nanoparticles make them promising for design of novel low-loss visible- and telecom-range metamaterials and nanoantenna devices. The scattering of light by nanoparticles could be useful for photonic nanoantenna or other light manipulation schemes. Here Kuznetsov et al. demonstrate directional light scattering from silicon nanoparticles for visible light.
Subfields: Atomic and Molecular Physics, and Optics, Biomedical Engineering, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/84cf70134104bc6e007c7540321525418cda8e69
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Citations in the corpus
- Resonant dielectric nanostructures: a low-loss platform for functional nanophotonics (2016, background): “Therefore, nanoparticles with both electric and magnetic response can appear at different colors depending on the direction from which they are observed [15].”
- Optical Metasurfaces: Progress and Applications (2018, background): “Interestingly, when the electrical and magnetic dipole moments orient perpendicularly to each other, the scattered light is unidirectional, which can be readily realized in dielectric nanostructures to make reflection-free Huygens metasurfaces (20, 21).”