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Light-stimulated adaptive artificial synapse based on nanocrystalline metal-oxide film
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作者 Igor S.Balashov Alexander A.Chezhegov +3 位作者 Artem S.Chizhov andrey A.Grunin Konstantin V.Anokhin andrey a.fedyanin 《Opto-Electronic Science》 2023年第10期1-11,共11页
Artificial synapses utilizing spike signals are essential elements of new generation brain-inspired computers.In this paper,we realize light-stimulated adaptive artificial synapse based on nanocrystalline zinc oxide f... Artificial synapses utilizing spike signals are essential elements of new generation brain-inspired computers.In this paper,we realize light-stimulated adaptive artificial synapse based on nanocrystalline zinc oxide film.The artificial synapse photoconductivity shows spike-type signal response,long and short-term memory(LTM and STM),STM-to-LTM transition and paired-pulse facilitation.It is also retaining the memory of previous exposures and demonstrates spike-frequency adaptation properties.A way to implement neurons with synaptic depression,tonic excitation,and delayed accelerating types of response under the influence of repetitive light signals is discussed.The developed artificial synapse is able to become a key element of neuromorphic chips and neuromorphic sensorics systems. 展开更多
关键词 neuromorphic photonics synaptic adaptation spiking neuron neuromorphic computing optoelectronic synaptic devises nanocrystalline metal-oxide film
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