Bursting and Excitability in Neuromorphic Resonant Tunneling Diodes
Bursting and Excitability in Neuromorphic Resonant Tunneling Diodes
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DOI：
10.1103/physrevapplied.15.034017
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发表时间：
2021-03-05
影响因子：
4.6
通讯作者：
Javaloyes, Julien
中科院分区：
文献类型：
--
作者：
Ortega-Piwonka, Ignacio;Piro, Oreste;Javaloyes, Julien
我们在本文中研究了量子纳米电子谐振隧道二极管（RTD）作为可兴奋神经形态尖峰发生器的动力学。我们公开了 RTD 创建可兴奋的全有或全无尖峰的机制，并确定了一种突发机制，其中 RTD 发出随机数量的紧密排列的尖峰。后者的控制对于事件激活的神经形态传感和计算的应用至关重要。最后，我们讨论了 RTD 充当存储器的多稳态机制。我们的结果可以扩展到其他表现出负微分电导的器件。
We study in this paper the dynamics of quantum nanoelectronic resonant tunneling diodes (RTDs) as excitable neuromorphic spike generators. We disclose the mechanisms by which the RTD creates excitable all-or-nothing spikes and we identify a regime of bursting in which the RTD emits a random number of closely packed spikes. The control of the latter is paramount for applications in event-activated neuromorphic sensing and computing. Finally, we discuss a regime of multistability in which the RTD behaves as a memory. Our results can be extended to other devices exhibiting negative differential conductance.