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Acta Aeronautica et Astronautica Sinica

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Intelligent processing of optical neural networks: from discrete to integrated and from two-dimensional convolution to higher dimensional tensor

  

  • Received:2024-03-25 Revised:2024-05-23 Online:2024-05-29 Published:2024-05-29

Abstract: Convolutional Neural Network (CNN) has shown a wide range of applications in the fields of face recognition, image classification, machine vision, medical imaging, and aerospace due to its excellent feature extraction capabilities. However, traditional electrical intelligent processing chips are restricted by Moore's Law, which is difficult to meet the continuous growth of CNN computing power demand. With its characteristics of ultra-large broadband and ultra-low loss, light wave is a disruptive technology that supports the high computing power demand of the next generation of artificial intelligence, with optical or electrical high-dimensional control structure as the basic unit, and realizes computing through the controlled propagation of light. In this paper, we summarize the research progress and technological breakthroughs of optical convolutional neural networks, summarize the overall trend of their development, discuss the technical problems that need to be solved in the future, and look forward to the application prospects of optical convolutional neural networks.

Key words: convolution, tensor, neural networks, artificial intelligence, deep learning

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