SPR nerve synaptic device based on a-Si memristor effect and preparation method thereof

A technology of neural synapse and memristor, which is applied in the field of bionic devices, can solve the problems of small signal processing bandwidth and signal transmission crosstalk, and achieve the effect of large signal processing bandwidth, large bandwidth, and avoiding grazing incidence
CN109065713AActive Publication Date: 2018-12-21UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2018-12-21

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Abstract

The invention relates to a SPR nerve synaptic device based on a-Si memristor effect and a preparation method thereof, belonging to the technical field of biomimetic devices. The invention combines thecrystalline silicon prism with the top electrode / a-Si: metal nanoparticle double resistive layer / bottom electrode memristor structure coupling, thereby making the optical signal modulated by the crystal silicon prism into the double resistive layer. A surface plasmon resonance (SPR) effect is utilize to read the dielectric constant change information of the resistive layer dure the working process of the device by the optical signal, thereby realizing the optical read of the synaptic weight of the device. The electrically modulated and optically read synaptic device of the invention has the advantages that the traditional electrically modulated and electrically read synaptic device cannot be compared with, because the synaptic device not only has the characteristics of low energy consumption and non-volatility of the traditional memristor, but also has the advantages of large signal processing bandwidth and strong electromagnetic interference resistance when the light is used as an information carrier.
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Description

technical field

[0001] The invention belongs to the technical field of bionic devices, and in particular relates to a SPR synapse device based on a-Si memristive effect and a preparation method thereof. Background technique

[0002] Traditional computers are based on the "Von Neumann Architecture". However, in the "Von Neumann Architecture", the data call and transmission between the information memory and the processor are connected through the bus, which makes the efficiency of information processing It is not only affected by the computing speed and storage speed of the processor, but also restricted by the information transmission capacity of the bus, forming the so-called "Von Neumann bottleneck". Although the amount of information processed by the human brain is not less than that of a computer, it is obviously more efficient and consumes less energy. To this end, researchers have constructed the concept of an intelligent computer, expecting the computer to learn neur...

Claims

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