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Multifunctional movable-type coding metasurface enabling reconfigurable diffractive neural networks

delete2026-02-26
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OA
AI
Z
Zhicai Yu
X
X. Z. Li
Z
Ze Gu
L
Long Chen
J
Jianlin Su
Z
Zixuan Cai
于心怡 (Xinyi Yu)
张磊 封面图
张磊 (Lei Zhang)
Q
Qian Ma *
J
Jian Wei You *
T
Tie Jun Cui *
DOI:10.1038/s41377-026-02216-6delete
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摘要

摘要

En 中文
光学计算因其低延迟、高能效和多维处理能力,在多种应用中展现出巨大潜力。然而,当前的衍射神经网络(DNNs)普遍缺乏可重构性,限制了光学计算系统的可扩展性。受活字印刷技术的启发,本文提出了一种活字编码超表面,以实现电磁(EM)计算、全息成像和传感等多种功能。通过级联多层提出的超表面,进一步开发了一种活字可重构衍射神经网络(MT-RDNN)。通过替换最后一层隐藏超表面中的元原子,该网络可无缝适应从手写数字到字母分类任务。此外,单层活字编码超表面可通过模块化元原子重排,重构以执行电磁全息成像和多人体征传感。该提出的活字编码超表面具有简单重构、高灵活性和模块化可扩展性等特点,能够实现多功能、可复用的电磁计算、全息成像和传感应用。受活字印刷启发,本文提出活字编码超表面,用于计算、全息成像和传感中的可重构DNN。
Keyword:
Displays
Metamaterials
Microwave photonics
Optics
Lasers
Photonics
Optical Devices
Microwaves
RF and Optical Engineering
Optical and Electronic Materials
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期刊

L
light: science & applications
IF:
0
论文数:
172
被引数:
3

机构

S
Southeast University
学者数:
2.1W
论文数: 8.6K
被引数: 480
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