articleAdvanced Functional MaterialsJun 10, 2025BRONZE OA

High‐Precision Multibit Opto‐Electronic Synapses Based on ReS 2 /h‐BN/Graphene Heterostructure for Energy‐Efficient and High‐Accuracy Neuromorphic Computing

ZYZheyu YangSHShida HuoZZZhe ZhangFMFanying MengBLBaiyan Liu

Tianjin University · Research Institute of Precision Instruments (Russia) · +5 more institutions

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Abstract

Abstract Neuromorphic computing integrates sensing, memory, and computation to surpass the von Neumann bottleneck. Opto‐electronic synapses, capable of handling both optical and electrical signals, closely emulate biological synapses and enable advanced neuromorphic functionalities. Among them, optoelectronic floating‐gate transistors (OEFGTs) based on 2D van der Waals (vdW) heterostructures offer high bandwidth, minimal crosstalk, and multilevel data storage. However, improving optical synaptic weights remains crucial for enhancing learning efficiency and reducing power consumption. In this study, an OEFGT‐based opto‐electronic synapse using a rhenium disulfide/hexagonal boron nitride/graphene (ReS₂/h‐BN/Gra)…

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56
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100%
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17

Topics & keywords

Topics
Keywords
  • Neuromorphic engineering
  • Materials science
  • Graphene
  • Heterojunction
  • Optoelectronics
  • Energy (signal processing)
  • Nanotechnology
  • Artificial neural network
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