High-resolution superconducting single-flux quantum comparator for sub-Kelvin temperatures

A. M. Savin, J. P. Pekola, T. Holmqvist, Jessica C. Hassel, L. Grönberg, P. Helistö, A. Kidiyarova-Shevchenko

Research output: Contribution to journalArticlepeer-review

Abstract

A design of sub-Kelvin single-flux quantum (SFQ) circuits with reduced power dissipation and additional cooling of shunt resistors has been developed and characterized. The authors demonstrate operation of SFQ comparators with current resolution of 40 nA at 2 GHz sampling rate. Due to improved cooling the electron temperature in shunt resistors of a SFQ comparator is below 50 mK when the bath temperature is about 30 mK.

Original languageEnglish
Article number133505
JournalApplied Physics Letters
Volume89
Issue number13
DOIs
Publication statusPublished - 2006
Externally publishedYes

Fingerprint

Dive into the research topics of 'High-resolution superconducting single-flux quantum comparator for sub-Kelvin temperatures'. Together they form a unique fingerprint.

Cite this