Optical metasurfaces have emerged as a groundbreaking technology in photonics, offering
unparalleled control over light–matter interactions at the subwavelength scale with ultrathin …

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 …

The ability to manipulate the refractive index is a fundamental principle underlying
numerous photonic devices. Various techniques exist to modify the refractive index across …

The growth of integrated photonics has driven the need for efficient, high-bandwidth
electrical-to-optical (EO) signal conversion over a broad range of frequencies (MHz–THz) …

Advancements in nanophotonics have raised the bar for optoelectronic devices, demanding
ultra-compact size, fast speeds, high efficiency, and low energy consumption. Emerging …

Electrically tunable metasurfaces can realize two-dimensional pixelated spatial light
modulation and have a wide range of applications in optical switching, free-space …

The linear electro-optic effect offers a valuable means to control light properties via an
external electric field. Lithium niobate (LN), with its high electro-optic coefficients and broad …

The photonic spin Hall effect, referring to the spatial separation of photons with opposite
spins due to spin–orbit interactions, has enabled potential for various spin-sensitive …

We computationally analyze the electro-optic response of metasurfaces consisting of
interconnected nanoantennas with multipolar resonances using a chalcophosphate …

Dynamic optical metasurfaces with ultrafast temporal response, ie, spatiotemporal optical
metasurfaces, provide attractive solutions and open fascinating perspectives for modern …