Advances in nonlinear metasurfaces for imaging, quantum, and sensing applications
Author:
Zheng Ze1ORCID, Rocco Davide2ORCID, Ren Hang3, Sergaeva Olga2ORCID, Zhang Yipei3, Whaley K. Birgitta3, Ying Cuifeng1ORCID, de Ceglia Domenico2ORCID, De-Angelis Constantino2ORCID, Rahmani Mohsen1ORCID, Xu Lei1ORCID
Affiliation:
1. Department of Engineering , Advanced Optics and Photonics Laboratory, School of Science Technology, Nottingham Trent University , Nottingham , UK 2. Department of Information Engineering , University of Brescia , Brescia , Italy 3. Department of Chemistry , University of California , Berkeley , CA , USA
Abstract
Abstract
Metasurfaces, composed of artificial meta-atoms of subwavelength size, can support strong light–matter interaction based on multipolar resonances and plasmonics, hence offering the great capability of empowering nonlinear generation. Recently, owing to their ability to manipulate the amplitude and phase of the nonlinear emission in the subwavelength scale, metasurfaces have been recognized as ultra-compact, flat optical components for a vast range of applications, including nonlinear imaging, quantum light sources, and ultrasensitive sensing. This review focuses on the recent progress on nonlinear metasurfaces for those applications. The principles and advances of metasurfaces-based techniques for image generation, including image encoding, holography, and metalens, are investigated and presented. Additionally, the overview and development of spontaneous photon pair generation from metasurfaces are demonstrated and discussed, focusing on the aspects of photon pair generation rate and entanglement of photon pairs. The recent blossoming of the nonlinear metasurfaces field has triggered growing interest to explore its ability to efficiently up-convert infrared images of arbitrary objects to visible images and achieve spontaneous parametric down-conversion. This recently emerged direction holds promising potential for the next-generation technology in night-vision, quantum computing, and biosensing fields.
Funder
European Community through the project ’METAFAST’ Ministero Italiano dell’Istruzione Italian Ministry of University and Research UK Research and Innovation Future Leaders Fellowship Royal Society and the Wolfson Foundation
Publisher
Walter de Gruyter GmbH
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology
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