Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

Geometric phase is a unifying and central concept in physics, including optics. As a matter of
fact, optics played a pivotal role from the inception of this new paradigm, as some of the first …

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 …

We review the physics and some applications of photonic structures designed for the
realization of strong nonlinear chiroptical response. We pay much attention to the recent …

Metasurfaces, benefiting from the flexibility in engineering the resonance, near-field,
symmetry, and scattering properties of individual building blocks, are promising not only for …

As an artificial planar composite medium, optical metasurfaces exhibit powerful
multidimensional optical modulations at the subwavelength scale. With the aid of intelligent …

The geometric phase of light has been demonstrated in various platforms of the linear
optical regime, raising interest both for fundamental science as well as applications, such as …

Plasmonics is one of the most used domains for applications to optical devices, biological
and chemical sensing, and non-linear optics, for instance. Indeed, plasmonics enables …

In this work, we utilize thin dielectric meta-atoms placed on a silver substrate to efficiently
enhance and manipulate the third-harmonic generation. We theoretically and experimentally …

Since the discovery of the laser, optical nonlinearities have been at the core of efficient light
conversion sources. Typically, thick transparent crystals or quasi-phase matched …