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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By moving this barrier periodically, the researchers recreated conditions similar to those in a superconducting Josephson junction exposed to microwave radiation.

From Science Daily • Dec. 23, 2025

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

From Science Daily • Dec. 23, 2025

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

Furthermore, the presence or absence of that voltage across a Josephson junction could be used to represent the same "yes" or "no" information conveyed by a transistor.

From Time Magazine Archive

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