Volume 12, Issue 4 pp. 267-290

A digital application of chaotic oscillation modes in Josephson circuit

Mititada Morisue

Mititada Morisue

Faculty of Information Sciences, Hiroshima City University, Asaminami-ku, Hiroshima, 731-31 Japan

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Masayuki Yamadaya

Masayuki Yamadaya

Department of Electric and Electronic Engineering, Saitama University, 255 Shimo-Okubo, Urawa, Saitama, 338 Japan

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Hiroshi Noguchi

Hiroshi Noguchi

Department of Electric and Electronic Engineering, Saitama University, 255 Shimo-Okubo, Urawa, Saitama, 338 Japan

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Akinori Kanasugi

Akinori Kanasugi

Department of Electric and Electronic Engineering, Saitama University, 255 Shimo-Okubo, Urawa, Saitama, 338 Japan

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Faculty of Information Sciences, Hiroshima City University, Asaminami-ku, Hiroshima, 731-31 Japan

Abstract

Novel digital circuits utilizing the chaotic oscillation and its associated oscillations produced in a Josephson junction (JJ) circuit are proposed, as an application of chaotic oscillations in JJ circuit. To begin with, what oscillation modes can be produced in a JJ circuit are described in detail. Next, a novel idea showing the possibility of digital circuits by use of chaotic oscillations is proposed. As an example, the fundamental digital circuits performing AND, NAND, Exclusive-OR, and so on are shown. The simulation results of these novel digital circuits show that reliable and high performance circuits can be realized by utilizing chaotic behavior. © 1997 John Wiley & Sons, Inc.

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