Superscattering pattern shaping for radially anisotropic nanowires
arXiv:1704.07994 · doi:10.1103/PhysRevA.96.023854
Abstract
We achieve efficient shaping of superscattering by radially anisotropic nanowires relying on resonant multipolar interferences. It is shown that the radial anisotropy of refractive index can be employed to resonantly overlap electric and magnetic multipoles of various orders, and as a result effective superscattering with different engineered angular patterns can be obtained. We further demonstrate that such superscattering shaping relying on unusual radial anisotropy parameters can be directly realised with isotropic multi-layered nanowires, which may shed new light to many fundamental researches and various applications related to scattering particles.
7 pages, 5 figures, and comments are welcome
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- Multifrequency superscattering from subwavelength hyperbolic structures
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