Superconducting neural circuits using fluxon pulses

Yoshinao Mizugaki, Koji Nakajima, Yasuji Sawada, Tsutomu Yamashita

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


A superconducting neural circuit is fabricated for the first time by use of a niobium integrated-circuit technology. Fluxon pulses on Josephson transmission lines (JTLs) are used as neural impulses. In this circuit a threshold element (a neuron) is composed of two JTL elements connected through a resistor. The conductance value of the resistor represent a synaptic strength. The fan-in and the fan-out are accomplished by the biased JTL branches. The operation of 2-bit neural based A/D converter is successfully observed. These circuits do not require any hysteretic Josephson junctions, and hence, have a potential to be fabricated with the high-Tc superconductors.

Original languageEnglish
Pages (from-to)762-764
Number of pages3
JournalApplied Physics Letters
Issue number7
Publication statusPublished - 1993 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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