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Josephson junction

American

[joh-zuhf-suhn juhngk-shuhn, -suhf-] / ˈdʒoʊ zəf sən ˈdʒʌŋk ʃən, -səf- /

noun

Electronics.

a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon Josephsoneffect exhibited by a pair of superconductors separated by a thin insulator. JJ

Etymology

Origin of Josephson junction

First recorded in 1965–70; after B. D. Josephson, who predicted the existence of the effect

Example Sentences

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See Examples For:

Josephson junction

At first glance, a Josephson junction has a simple structure.

From Science Daily ● Dec. 23, 2025

The superconductors and topological insulators were coupled to form a so-called Josephson junction, a connection between two superconductors separated by a thin layer of non-superconducting material.

From Science Daily ● Apr. 4, 2024

The Josephson junction is the information-processing heart of the superconducting qubit.

From Science Daily ● Feb. 26, 2024

For both technical and economic reasons, IBM abandoned its Josephson junction project in 1983.

From Time Magazine Archive

For example, it has been trying to adapt for commercial use the experimental Josephson junction.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023