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Programmable Wave-Based Meta-Computer
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DOI：10.1002/adfm.202404457.png)
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In light of the escalating demand for computing powers, wave-based analog computers have emerged as a compelling study area due to their remarkable capacity for ultra-fast operation. Here, a programmable wave-based computer, based on programmable meta-structures is proposed, which is also called as meta-computer. The meta-computer can perform various types of analog computations in real-time in the electromagnetic (EM) wave space, including matrix-vector multiplication, discrete Fourier transform, filtering, and solving complex matrix equations. Owing to the powerful capability of the programmable meta-structures in manipulating the EM fields and waves in real-time, the proposed meta-computer exhibits the advantages of flexible re-programmability, low complexity, and direct computation in the EM space. Two prototypes of the meta-computer in the microwave frequency are designed and fabricated, and the computing capability is validated through both numerical simulations and experiments. This work contributes a prominent approach for fully programmable wave-based computers with noteworthy implications for expanding the applications of analog computing. A programmable wave-based computer based on programmable meta-structures, which is also called as meta-computer is proposed. It exhibits the advantages of flexible re-programmability, low complexity, and a simple design process. The proposed design can perform diverse types of EM-wave-based computations in real time, contributing a prominent approach for fully programmable wave-based computers. image
Keyword:
analog computing
meta-computer
wave space
期刊
IF:
19
论文数:
3.5W
被引数:
32.1W
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