Metasurfaces for Quantum Photonics

TL;DR

This paper reviews recent advances in using metasurfaces to control and manipulate nonclassical light in quantum photonics, highlighting innovative approaches for quantum state generation, manipulation, and detection.

Contribution

It provides a comprehensive overview of how metasurfaces are being applied in quantum photonics, emphasizing novel methods for nonclassical light control.

Findings

Metasurfaces enable compact quantum photonic devices.

New techniques for generating and detecting nonclassical light.

Enhanced control over quantum states using nanostructured films.

Abstract

Rapid progress in the development of metasurfaces allowed to replace bulky optical assemblies with thin nanostructured films, often called metasurfaces, opening a broad range of novel and superior applications to the generation, manipulation, and detection of light in classical optics. Recently, these developments started making a headway in quantum photonics, where novel opportunities arose for the control of nonclassical nature of light, including photon statistics, quantum state superposition, quantum entanglement, and single-photon detection. In this Perspective, we review recent progress in the field of quantum-photonics applications of metasurfaces, focusing on innovative and promising approaches to create, manipulate, and detect nonclassical light.