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Journal Articles Photonics research Year : 2022

Compact logic operator utilizing a single-layer metasurface

Zihan Zhao
  • Function : Author
Yue Wang
  • Function : Author
Xumin Ding
Haoyu Li
Jiahui Fu
  • Function : Author
Kuang Zhang
Qun Wu
  • Function : Author

Abstract

In this paper, we design and demonstrate a compact logic operator based on a single-layer metasurface at microwave frequency. By mapping the nodes in the trained fully connected neural network (FCNN) to the specific unit cells with phase control function of the metasurface, a logic operator with only one hidden layer is physically realized. When the incident wave illuminates specific operating regions of the metasurface, corresponding unit cells are activated and can scatter the incident wave to two designated zones containing logical information in the output layer. The proposed metasurface logic operator is experimentally verified to achieve three basic logic operations (NOT, OR, and AND) under different input signals. Our design shows great application potential in compact optical systems, low-power consumption information transmission, and ultrafast wave-based full signal processing.
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Dates and versions

hal-04177636 , version 1 (05-08-2023)

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Zihan Zhao, Yue Wang, Xumin Ding, Haoyu Li, Jiahui Fu, et al.. Compact logic operator utilizing a single-layer metasurface. Photonics research, 2022, 10 (2), pp.316. ⟨10.1364/PRJ.439036⟩. ⟨hal-04177636⟩
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