Towards an Excitable Microwave Spike Generator for Future Neuromorphic Computing

Al-Taai, Q. R. A. , Morariu, R. , Wang, J., Al-Khalidi, A. , Al-Moathin, A., Romeira, B., Figueiredo, J. and Wasige, E. (2022) Towards an Excitable Microwave Spike Generator for Future Neuromorphic Computing. In: European Microwave Week 2021, London, UK, 02-07 Apr 2022, pp. 386-389. ISBN 9781665447225 (doi: 10.23919/EuMIC50153.2022.9783686)

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This paper describes the systematic approach to develop low power consumption excitable neuromorphic spike generators using nano-sized resonant tunnelling diode (RTD), including fabrication, characterization and device modelling and spike circuit simulation. The fabrication process of nano sized RTDs has been developed and devices exhibit peak currents of up to 100 μA. The energy efficiency of the RTD spike generator can reach as low as 0.09 fJ per spike. An accurate small signal model of nano RTD has also been developed and is described. This nano-RTD technology could underpin the development of energy efficient neuromorphic computing in the very near future.

Item Type:Conference Proceedings
Additional Information:The work was funded by the Horizon 2020 FET-OPEN ChipAI project, grant agreement 828841.
Glasgow Author(s) Enlighten ID:Morariu, Razvan and Wang, Dr Jue and Al-Khalidi, Dr Abdullah and Wasige, Professor Edward and Al-Taai, Dr Qusay and Al-Moathin, Mr Ali
Authors: Al-Taai, Q. R. A., Morariu, R., Wang, J., Al-Khalidi, A., Al-Moathin, A., Romeira, B., Figueiredo, J., and Wasige, E.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Copyright Holders:Copyright © 2022 IEEE
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
303977ChipAIEdward WasigeEuropean Commission (EC)828841ENG - Electronics & Nanoscale Engineering