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- Title
Experimental Study of a Prototype of a Superconducting Sigma Neuron for Adiabatic Neural Networks.
- Authors
Ionin, A. S.; Shuravin, N. S.; Karelina, L. N.; Rossolenko, A. N.; Sidel'nikov, M. S.; Egorov, S. V.; Chichkov, V. I.; Chichkov, M. V.; Zhdanova, M. V.; Shchegolev, A. E.; Bol'ginov, V. V.
- Abstract
The artificial neuron proposed earlier for use in superconducting neural networks is experimentally studied. The fabricated sample is a single-junction interferometer, part of the circuit of which is shunted by an additional inductance, which is also used to generate an output signal. A technological process has been developed and tested to fabricate a neuron in the form of a multilayer thin-film structure over a thick superconducting screen. The transfer function of the fabricated sample, which contains sigmoid and linear components, is experimentally measured. A theoretical model is developed to describe the relation between input and output signals in a practical superconducting neuron. The derived equations are shown to approximate experimental curves at a high level of accuracy. The linear component of the transfer function is shown to be related to the direct transmission of an input signal to a measuring circuit. Possible ways for improving the design of the sigma neuron are considered.
- Subjects
NEURONS; TRANSFER functions; PROTOTYPES; ELECTRIC inductance; NEURAL circuitry
- Publication
Journal of Experimental & Theoretical Physics, 2023, Vol 137, Issue 6, p888
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776123120191