Design Strategies and Applications of Dimensional Optical Field Manipulation Based on Metasurfaces.

Abstract

Recent rapid progress in metasurfaces is underpinned by the physics of local and nonlocal resonances and the modes coupling among them, leading to tremendous applications such as optical switching, information transmission, and sensing. In this review paper, we provide an overview of the recent advances in a broad range of dimensional optical field manipulation based on metasurfaces categorized into different classes based on design strategies. We start from the near-field optical resonances of artificial nanostructures and discuss the far-field optical wave manipulation based on fundamental mechanisms such as mode generation and mode coupling. We summarize the recent advances in optical field manipulation based on metasurfaces in different optical dimensions such as phase and polarization and discuss newly-developed dimensions, such as the orbital angular momentum and the coherence dimensions resulting from phase modulation. Then, we review the recent achievements of multiplexing and multifunctional metasurfaces empowered by multidimensional optical field manipulation for optical information transmission and integrated applications. Finally, we conclude with a few perspectives on emerging trends, possible directions, and existing challenges in this fast-developing field. This article is protected by copyright. All rights reserved.