2013
DOI: 10.1088/0026-1394/50/6/612
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An ac quantum voltmeter based on a 10 V programmable Josephson array

Abstract: An ac quantum voltmeter based on a 10 V programmable Josephson array that is simple to use, provides dc and ac calibration up to kHz range for equipment widely used in metrology, and ensures direct traceability to a quantum-based standard, is developed. This ac quantum voltmeter is proven to match conventional Josephson standard systems at dc and extends its advantages up to 10 kHz in the low-frequency ac range. The ac quantum voltmeter is capable of performing calibrations up to 7 V RMS in the frequency range… Show more

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Cited by 74 publications
(75 citation statements)
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“…Sine amplitudes are adjustable with separate 20-bit DACs [3]. The source is calibrated with a true quantum based AC voltage standard [5].…”
Section: Overview Of the Methodsmentioning
confidence: 99%
“…Sine amplitudes are adjustable with separate 20-bit DACs [3]. The source is calibrated with a true quantum based AC voltage standard [5].…”
Section: Overview Of the Methodsmentioning
confidence: 99%
“…An AC Quantum Voltmeter was used as a standard to calibrate directly an AC source [9,10]. The AC source was compared to the Josephson voltage by a differential sampling process measured by a commercial ADC.…”
Section: Ac Quantum Voltmeter As a Standardmentioning
confidence: 99%
“…Среди них особое место занимают когерентно осциллирующие цепочки джозефсоновских контактов, которые используются как при разработке генераторов джозефсоновского излучения, так и в эталонах напряже-ния [1][2][3][4]. Принципиальная важность последнего приме-нения связана с тем, что неизвестны другие физические эффекты, которые могли бы составить конкуренцию эффекту Джозефсона в квантовой метрологии по точ-ности воспроизведения единицы напряжения.…”
Section: Introductionunclassified