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Abstract
This work introduces the concept of a metasurface disk (meta-disk) to enhance optical holographic storage capacity using uncorrelated structural twist. A physical twisted neural network (TDNN) describes the meta-disk's optical behavior, enabling the storage of numerous high-fidelity images through internal structural multiplexing. Experimental demonstration using Pancharatnam-Berry metasurfaces and 3D printing showcases the potential for next-generation optical storage, display, encryption, and analog computing.
Publisher
Nature Communications
Published On
Oct 31, 2024
Authors
Zhixiang Fan, Chao Qian, Yuetian Jia, Yiming Feng, Haoliang Qian, Er-Ping Li, Romain Fleury, Hongsheng Chen
Tags
metasurface disk
optical holographic storage
structural multiplexing
neural network
experimental demonstration
optical computing
3D printing
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