Frequency conversion processes, such as second-and third-harmonic generation, are
commonly realized in nonlinear optics, offering opportunities for applications in photonics …

Barium titanate (BaTiO3) is a synthetic crystal used in electromechanical transducers and
multilayer ceramic capacitors. Since it is not available in nature, a variety of growth methods …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

High-index dielectric nanostructures can support optical resonances of electric and
magnetic character with ultralow linear absorption. In contrast to plasmonics, they can be …

Nanoantennas made of high-index dielectrics with low losses in visible and infrared
frequency ranges have emerged as a novel platform for advanced nanophotonic devices …

Resonant dielectric nanoparticles made of materials with large positive dielectric permittivity,
such as Si, GaP, GaAs, have become a powerful platform for modern light science, enabling …

Recent progress in nanoscale optics is driven by the physics of electric and magnetic
resonances supported by high-index dielectric nanoparticles. Here, we exploit optical bound …

Second-order nonlinearity in solids gives rise to a plethora of unique physical phenomena
ranging from piezoelectricity and optical rectification to optical parametric amplification …

Mie scattering is increasingly exploited to manipulate electromagnetic fields to achieve
strong resonant enhancement, to obtain perfect absorption of radiation, and to generate …

Optical metasurfaces offer unprecedented flexibility in light wave manipulation but suffer
weak resonant enhancement. Tackling this problem, we experimentally unveil a new phase …