Impact of the latest generation of Josephson voltage standards in ac and dc electric metrology

A Rüfenacht, NE Flowers-Jacobs, SP Benz - Metrologia, 2018 - iopscience.iop.org
For decades, the quantum behavior of Josephson junctions has been employed as intrinsic
standards for voltage metrology. Conventional dc Josephson voltage standards have been …

Uncertainty analysis for ac–dc difference measurements with the AC Josephson voltage standard

JM Underwood - Metrologia, 2018 - iopscience.iop.org
A detailed analysis of the uncertainties obtained in ac–dc difference measurements with an
AC Josephson voltage standard (ACJVS) is presented. For audio frequencies and for …

[HTML][HTML] AC metrology applications of the Josephson effect

SP Benz, J Biesecker, CJ Burroughs… - Applied physics …, 2024 - pubs.aip.org
The performance of programmable voltage signals that exploit the quantum behavior of
superconducting Josephson junctions continues to improve and enhance measurements in …

RF waveform synthesizers with quantum-based voltage accuracy for communications metrology

PF Hopkins, JA Brevik… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We review our development of Josephson-junction-based programmable reference sources
to synthesize spectrally pure waveforms with quantum-based voltage accuracy for …

Josephson arbitrary waveform synthesizer as a reference standard for the measurement of the phase of harmonics in distorted waveforms

D Georgakopoulos, I Budovsky… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
We have used the Josephson arbitrary waveform synthesizer (JAWS) to provide traceability
for the phase of the harmonics, relative to their fundamental frequency, of a distorted …

An AC quantum voltmeter for frequencies up to 100 kHz using sub-sampling

R Behr, L Palafox - Metrologia, 2021 - iopscience.iop.org
Differential sampling relative to a Josephson waveform, the ac quantum voltmeter (ac-QVM),
has been established as the most accurate method for measuring signals below 1 kHz with …

A method for using Josephson voltage standards for direct characterization of high performance digitizers to establish AC voltage and current traceability to SI

J Ireland, PG Reuvekamp, JM Williams… - Measurement …, 2022 - iopscience.iop.org
A method for traceability to SI for ac voltage and current based on high performance
digitizers is presented. In contrast to the existing thermal-based methods, the proposed …

Mitigating voltage lead errors of an AC Josephson voltage standard by impedance matching

D Zhao, HE Van den Brom… - … Science and Technology, 2017 - iopscience.iop.org
A pulse-driven AC Josephson voltage standard (ACJVS) generates calculable AC voltage
signals at low temperatures, whereas measurements are performed with a device under test …

Characterization of an analog-to-digital converter frequency response by a Josephson arbitrary waveform synthesizer

JD de Aguilar, JR Salinas, O Kieler… - Measurement …, 2019 - iopscience.iop.org
The capability to generate up to 1 V pure AC signals based on quantum standards marked a
milestone on electrical metrology opening new applications that were not possible without …

Quantized pulse propagation in Josephson junction arrays

CA Donnelly, JA Brevik… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We present time-domain electrical measurements and simulations of the quantized voltage
pulses that are generated from series-connected Josephson junction (JJ) arrays. The …