Planar spoof plasmonic neural network (SPNN) platform capable of directly detecting and processing THz signals

https://www.cityu.edu.hk/media/news/2024/11/11/cityuhk-researchers-unveil-advanced-terahertz-neural-network

"overcomes low-space transmission efficiency/ large spatial dimensions, limiting miniaturisation/ broader applications... compact, scalable, efficient, integrable, directly processes/ recognizes diffractive information with low power consumption/ light, speed... compact spoof surface plasmon metamaterial polariton diffraction and phase-shifting layers... intelligent communication, advanced computing, THz on-chip integration, handwriting recognition without relying on digital processing, multi-user distinction"

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