Photonic synapses with ultralow energy consumption for artificial visual perception and brain storage

作     者：Caihong Li Wen Du Yixuan Huang Jihua Zou Lingzhi Luo Song Sun Alexander OGovorov Jiang Wu Hongxing Xu Zhiming Wang Caihong Li;Wen Du;Yixuan Huang;Jihua Zou;Lingzhi Luo;Song Sun;Alexander O.Govorov;Jiang Wu;Hongxing Xu;Zhiming Wang

作者机构：Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu 610054China Microsystem and Terahertz Research CenterChina Academy of Engineering PhysicsChengdu 610200China Institute of Electronic EngineeringChina Academy of Engineering PhysicsMianyang 621999China Department of Physics and AstronomyOhio UniversityAthensOhio 45701United States State Key Laboratory of Electronic Thin Films and Integrated DevicesUniversity of Electronic Science and Technology of ChinaChengdu 610065China School of Physics and TechnologyWuhan UniversityWuhan 430072China 

出 版 物：《Opto-Electronic Advances》 (光电进展（英文）)

年 卷 期：2022年第5卷第9期

页      面：1-13页

核心收录：

学科分类：080903[工学-微电子学与固体电子学] 12[管理学] 081702[工学-化学工艺] 0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 0817[工学-化学工程与技术] 081104[工学-模式识别与智能系统] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0835[工学-软件工程] 0811[工学-控制科学与工程] 0702[理学-物理学] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

基　　金：This work was financially supported by the National Key Research and Development Program of China(2019YFB2203400) the“111 Project”(B20030) the UESTC Shared Research Facilities of Electromagnetic Wave and Matter Interaction(Y0301901290100201) the Fundamental Research Funds for the Central Universities(ZYGX2019Z018) the National Natural Science Foundation of China(61974014) the Innovation Group Project of Sichuan Province(20CXTD0090) 

主　　题：MoS_(2)synaptic transistors visual perception ultralow power consumption memory 

摘      要：The human visual system,dependent on retinal cells,can be regarded as a complex combination of optical system and nervous *** retinal system could mimic the sensing and processing function of human *** stimulated synaptic devices could serve as the building blocks for artificial retinas and subsequent information transmission system to ***,photonic synaptic transistors based on polycrystalline MoS_(2),which could simulate human visual perception and brain storage,are ***,the photodetection range from visible light to near-infrared light of MoS_(2) multilayer could extend human eyes’vision limitation to near-infrared ***,the photonic synaptic transistor shows an ultrafast speed within 5μs and ultralow power consumption under optical stimuli about 40 aJ,several orders of magnitude lower than biological synapses(50 ms and 10 fJ).Furthermore,the backgate control could act as emotional modulation of the artificial brain to enhance or suppress memory function,*** intensity of *** proposed carrier trapping/detrapping as the main working mechanism is presented for the *** addition,synaptic functionalities including short synaptic plasticity,long synaptic plasticity and paired-pulse facilitation could be successfully simulated based on the prepared ***,the large difference between short synaptic plasticity and long synaptic plasticity reveals the better image pre-processing function of the prepared photonic *** classical Pavlovian conditioning associated with the associative learning is successfully implemented as ***,the efficient and rich functionalities demonstrate the potential of the MoS_(2) synaptic device that integrates sensing-memory-preprocessing capabilities for realizing artificial neural networks with different emotions that mimic human retina and brain.