Quantum-Derived Voltage Waveform Synthesis With Pulse-Driven High-Transition-Temperature Josephson Junctions

Microwave-driven Josephson junction arrays are the basis for dc and ac voltage standards, whose accuracy derives from quantized voltage pulses. These pulses are also used to synthesize voltage-noise reference signals that are used in noise thermometry systems. This article describes our recent demon...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2020-10, Vol.30 (7), p.1-5
Hauptverfasser:	Weis, Adam C., Flowers-Jacobs, Nathan E., Berkowitz, Stuart, Rogalla, Horst, Benz, Samuel P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits Current measurement High-T<sub xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">c superconductors Josephson junctions Junctions metrology Microwave FET integrated circuits Microwave integrated circuits novel devices Reference signals Synthesis Transition temperature Voltage pulses Waveforms YBCO superconductors Yttrium barium copper oxide
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Zusammenfassung:	Microwave-driven Josephson junction arrays are the basis for dc and ac voltage standards, whose accuracy derives from quantized voltage pulses. These pulses are also used to synthesize voltage-noise reference signals that are used in noise thermometry systems. This article describes our recent demonstration of voltage synthesis in a high-transition-temperature YBa 2 Cu 3 O 7-δ junction circuit.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2020.3007777