We demonstrate how to design all-dielectric metasurfaces with a strong axial toroidal
response by arranging two types of nanodisks into asymmetric quadrumer clusters. This …

Toroidal moment is an electromagnetic excitation that lies outside the familiar picture of
electric and magnetic multipoles. It has recently been a topic of intense research in the fields …

The study of toroidal dipole modes has attracted a growing attention due to the specific
properties of the toroidal electromagnetic response which differs from more familiar electric …

Metasurfaces based on resonant subwavelength photonic structures enable novel methods
of wavefront control and light focusing, underpinning a new generation of flat-optics devices …

Magnetic and electric toroidal dipoles possess interesting properties differing from traditional
electric and magnetic dipoles. In order to generate both the magnetic and electric toroidal …

Tunable optical metasurfaces demonstrate a number of remarkable properties that are
promising for realizing photonic devices for potential applications in telecommunications …

Optical materials are undergoing revolutionary transformations driven by nanotechnology.
Our ability to engineer structures at a scale smaller than the wavelength of light enables new …

Subwavelength dielectric resonators assembled into metasurfaces have become a versatile
tool for miniaturizing optical components approaching the nanoscale,–. An important class of …

In metamaterial systems, toroidal dipole (TD) plays an important role in determining their
optical properties. Here, we proposed an all-dielectric metasurface consisting of two silicon …

Metasurfaces built of high refractive dielectric nanostructures could play a key role in
controlling the electromagnetic wave propagation, due to their low energy losses and their …