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 …

In recent years, topological photonics inspired by electric topological insulators has
promoted extensive research on robust electromagnetic (EM) wave manipulation and new …

Light fidelity (LiFi), which is based on visible-light communications (VLC), is celebrated as a
cutting-edge technological paradigm that is envisioned to be an indispensable part of 6G …

Carbon quantum dots (CQDs) are one of the most promising types of fluorescent
nanomaterials due to their exceptional water solubility, excellent optical properties …

As a basic building block, optical resonant cavities (ORCs) are widely used in light
manipulation. They can confine electromagnetic waves and improve the interaction between …

The negative Poisson's (NPR) ratio in a two-dimensional (2D) material is a counterintuitive
mechanical property that facilitates the development of nanoscale devices with sophisticated …

This tutorial is divided into two parts: the first examines the application of topology to
problems in wave physics. The origins of the Chern number are reviewed, where it is shown …

Topological photonics provides exciting and emerging opportunities for the manipulation of
light. As the photonic analogue of quantum Hall edge states, chiral edge modes, arising at …

When a homogeneous film of finite thickness is optically probed, interference due to multiple
reflections modulates in amplitude the electric field of light. For optical processes located …