Developing Josephson junction array chips for microvolt applications

Josephson junction array chips for microvolt applications have been designed and fabricated. A voltage step as small as 1 μV has been observed for a single junction in the array when it is driven by 483.59 MHz microwave. By selecting different parts of the array, it can output a voltage from 1 μV to...

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Published inChinese physics B Vol. 25; no. 5; pp. 339 - 341
Main Author 曹文会 李劲劲 钟源 高原 李红晖 王曾敏 贺青
Format Journal Article
LanguageEnglish
Published 01.05.2016
Subjects
Arrays
Chip formation
Chips
Electric potential
Flats
Josephson junctions
Josephson结阵列
Microwaves
Voltage
平坦
应用程序
电位
芯片级
输出电压
Online AccessGet full text
ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/25/5/057401

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Summary:Josephson junction array chips for microvolt applications have been designed and fabricated. A voltage step as small as 1 μV has been observed for a single junction in the array when it is driven by 483.59 MHz microwave. By selecting different parts of the array, it can output a voltage from 1 μV to 256 μV. The flat region of the voltage steps is over 200 μA.This kind of array is useful for potential microvolt applications.
Bibliography:Wenhui Cao, Jinjin Li, Yuan Zhong, Yuan Gao, Honghui Li, Zengmin Wang, and Qing He（ National Institute of Metrology, Beijing 100029, China）
Josephson junction array chips for microvolt applications have been designed and fabricated. A voltage step as small as 1 μV has been observed for a single junction in the array when it is driven by 483.59 MHz microwave. By selecting different parts of the array, it can output a voltage from 1 μV to 256 μV. The flat region of the voltage steps is over 200 μA.This kind of array is useful for potential microvolt applications.
11-5639/O4
Josephson junction arrays; voltage standard; niobium
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/5/057401