Noise suppression in transmission of single flux quantum signals
Anna V. Gordeeva, Andrey L. Pankratov
TL;DR
This paper analyzes the switching behavior of overdamped Josephson junctions driven by SFQ pulses, identifying optimal bias current values to minimize noise-induced errors in single flux quantum signal transmission.
Contribution
It introduces a method to determine the optimal bias current for minimizing switching errors in SFQ-driven Josephson junctions.
Findings
Optimal bias current reduces noise-induced switching errors.
Analysis of mean switching time and its standard deviation.
Guidelines for bias current selection in SFQ circuits.
Abstract
We present the analysis of the mean switching time and its standard deviation of an overdamped Josephson junction, driven by a direct current and a single flux quantum (SFQ) pulse. The performed analysis allows to find the optimal value of the bias current of the clock generator, responsible for the shape of SFQ pulse, which minimizes noise-induced switching errors.
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Taxonomy
TopicsAdvanced Electrical Measurement Techniques · Blind Source Separation Techniques · Analog and Mixed-Signal Circuit Design