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Compact logic operator utilizing a single-layer metasurface
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DOI：10.1364/PRJ.439036.png)
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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. (C) 2022 Chinese Laser Press
Keyword:
DEEP NEURAL-NETWORKS
PHASE DISCONTINUITIES
HUYGENS METASURFACE
DESIGN
GATES
期刊
IF:
7.2
论文数:
2.4K
被引数:
1.3W
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