| SPECIAL TOPIC — Biophysical circuits: Modeling & applications in neuroscience |
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Frequency-tunable spiking dynamics of Chua corsage memristors |
| Qijian Wu(吴奇键)1, Peipei Jin(靳培培)1,†, Xiameng Wu(吴夏萌)1, Meiyuan Gu(顾梅园)1, Wei Zhou(周玮)2, Yujiao Dong(董玉姣)1, Yan Liang(梁燕)1, and Long Chen(陈龙)1 |
1 Institute of Modern Circuit and Intelligent Information, Hangzhou Dianzi University, Hangzhou 310018, China;
2 School of Information Science and Engineering, NingboTech University, Ningbo 315042, China |
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Abstract Brain-inspired computing relies on neuronal spiking frequency as a foundational element for information encoding. Bi-directional spiking enables the processing and encoding of multimodal information. The Chua corsage memristor (CCM), endowed with the edge of chaos, can generate spiking dynamics and can be synthesized using only off-the-shelf electronic components, making it suitable for both theoretical analysis and hardware demonstration of frequency-tunable spiking dynamics. This paper employs second- and third-order neuron circuits constructed with a CCM sibling, namely the odd-symmetric CCM, to explore the frequency-tunable characteristics of bi-directional spiking. A quantitative method for calculating the output spiking frequency of neurons is proposed. Simulation results verify the validity of this method. The neuron hardware circuits are implemented using a homemade odd-symmetric CCM circuit board. The experimental results confirm the frequency-tunable spiking of the odd-symmetric CCM-based neurons and reveal the effect of the excitation voltage on the system dynamics.
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Received: 17 December 2025
Revised: 22 January 2026
Accepted manuscript online: 23 January 2026
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PACS:
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87.19.ll
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(Models of single neurons and networks)
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05.45.-a
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(Nonlinear dynamics and chaos)
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82.40.Bj
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(Oscillations, chaos, and bifurcations)
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| Fund: Science Foundation of China (Grant Nos. 62501213, 62574072, 62571172, and 62301202), the Zhejiang Provincial Natural Science Foundation of China (Grant Nos. LQN25F010008 and LQ24F010015), the Fundamental Research Funds for the Provincial Universities of Zhejiang (Grant No. GK249909299001-025), and the National College Students Innovation and Entrepreneurship Training Program of China (Grant No. 202410336019). |
Corresponding Authors:
Peipei Jin
E-mail: jinpeipei@hdu.edu.cn
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Cite this article:
Qijian Wu(吴奇键), Peipei Jin(靳培培), Xiameng Wu(吴夏萌), Meiyuan Gu(顾梅园), Wei Zhou(周玮), Yujiao Dong(董玉姣), Yan Liang(梁燕), and Long Chen(陈龙) Frequency-tunable spiking dynamics of Chua corsage memristors 2026 Chin. Phys. B 35 048703
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