Information multiplexing from optical holography to multi-channel metaholography

Author:

Márquez Andrés12ORCID,Li Chi3ORCID,Beléndez Augusto12ORCID,Maier Stefan A.34ORCID,Ren Haoran3ORCID

Affiliation:

1. I.U. Física Aplicada a las Ciencias y las Tecnologías , Universidad de Alicante , P.O. Box 99, 03080 Alicante , Spain

2. Dpto. de Física, Ing. de Sistemas y Teoría de la Señal , Universidad de Alicante , P.O. Box 99, 03080 Alicante , Spain

3. School of Physics and Astronomy, Faculty of Science , Monash University , Melbourne , Victoria 3800 , Australia

4. Department of Physics , Imperial College London , London , SW7 2AZ , UK

Abstract

Abstract Holography offers a vital platform for optical information storage and processing, which has a profound impact on many photonic applications, including 3D displays, LiDAR, optical encryption, and artificial intelligence. In this review, we provide a comprehensive overview of optical holography, moving from volume holography based on optically thick holograms to digital holography using ultrathin metasurface holograms in nanophotonics. We review the use of volume holograms for holographic multiplexing through the linear momentum selectivity and other approaches and highlight the emerging use of digital holograms that can be implemented by ultrathin metasurfaces. We will summarize the fabrication of different holographic recording media and digital holograms based on recent advances in flat meta-optics and nanotechnology. We highlight the rapidly developing field of metasurface holography, presenting the use of multi-functional metasurfaces for multiplexing holography in the use of polarization, wavelength, and incident angle of light. In the scope of holographic applications, we will focus on high bandwidth metasurface holograms that offer the strong sensitivity to the orbital angular momentum of light. At the end, we will provide a short summary of this review article and our perspectives on the future development of the vivid holography field.

Funder

Ministerio de Ciencia e Innovación

Engineering and Physical Sciences Research Council

Generalitat Valenciana

Australian Research Council

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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