Superconducting electronics

Superconducting Digital Electronics —historical Overview

この特集号のテーマは,「この 40年の各専門分野の 変遷と将来展望について」ということで引き受けたが, 筆者が研究を始めたのは 1979年であるので今年まで 続けたとしても筆者の研究期間はいささか短いことに 気がついた.40 年という年月はやっぱり長いと思う が,象徴的意味と考えて引き受けることにした. 超伝導エレクトロニクスの研究はこのころ(1975年 ごろ)から活発になってきたように思う.それは IBM が始めた,ジョセフソン素子を使ってコンピュータを 作ろうというプロジェクトが始まったからである [1]. 日本もこのころに,研究を開始している.そのころの 我が国は,IBMの動向には極めて敏感で,次世代のコ ンピュータの素子は半導体ではなく超伝導であるとい う IBMの考えは,我が国の中でも耳目を集めた.電子 技術総合研究所,電電公社,富士通,日本電気,三菱 電機の研究所で基礎的...

Applied Superconductivity: Josephson Effects and Superconducting Electronics

Superconducting analogue electronics for research and industry

This paper gives a brief review of superconducting electronics in research and industry. Examples will show how science benefits from the development and how superconducting devices have found their way into industry and to some commercial products. Impact in terms of enabling new research in other fields (e.g. radio astronomy, medicine), in industry (certification, safety, metrology, etc) and ...

Ultrafast optoelectronic interface for digital superconducting electronics

The basic concepts of the ultrafast optoelectronic interface for superconducting digital electronics are presented. Several implementations of both the input optical-to-electrical and the output electrical-to-optical transducers are discussed. As an example, an optoelectronic telecommunication router is used that is capable of switching signals at a >100 Gbit s−1 rate on a single wavelength. We...

Ultrafast Optoelectronic Interface for Digital Superconducting Electronics

188 LLE Review, Volume 88 Introduction Ultrafast optoelectronics is an acknowledged field of technological importance for the 21st century, and a very large amount of research has been performed on this topic in recent years.1 It is estimated that by the year 2006 nearly 13% of developed-world households will be connected to Global Internet via interactive broadband fiber services. This require...