Qingqing Wang, Yun Zheng, Chonghao Zhai, Xudong Li, Qihuang Gong, Jianwei Wang. Chip-based quantum communications[J]. Journal of Semiconductors, 2021, 42(9): 091901. doi: 10.1088/1674-4926/42/9/091901.
Q Q Wang, Y Zheng, C H Zhai, X D Li, Q H Gong, J W Wang, Chip-based quantum communications[J]. J. Semicond., 2021, 42(9): 091901. doi: 10.1088/1674-4926/42/9/091901.
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With the rapid development of artificial intelligence (AI) technology, the demand for high-performance and energy-efficient computing is increasingly growing. The limitations of the traditional von Neumann computing architecture have prompted researchers to explore neuromorphic computing as a solution. Neuromorphic computing mimics the working principles of the human brain, characterized by high efficiency, low energy consumption, and strong fault tolerance, providing a hardware foundation for the development of new generation AI technology. Artificial neurons and synapses are the two core components of neuromorphic computing systems. Artificial perception is a crucial aspect of neuromorphic computing, where artificial sensory neurons play an irreplaceable role thus becoming a frontier and hot topic of research. This work reviews recent advances in artificial sensory neurons and their applications. First, biological sensory neurons are briefly described. Then, different types of artificial neurons, such as transistor neurons and memristive neurons, are discussed in detail, focusing on their device structures and working mechanisms. Next, the research progress of artificial sensory neurons and their applications in artificial perception systems is systematically elaborated, covering various sensory types, including vision, touch, hearing, taste, and smell. Finally, challenges faced by artificial sensory neurons at both device and system levels are summarized.