A Microwave Quantum-Defined Millivolt Source

Akim A. Babenko,Nathan E. Flowers-Jacobs,Gregor Lasser,Justus A. Brevik,Anna E. Fox,Paul D. Dresselhaus,Zoya Popović,Samuel P. Benz

IEEE Transactions on Microwave Theory and Techniques（2021）

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摘要

We demonstrate a tenfold increase in the amplitude of microwave-frequency waveforms generated by a quantum-defined superconducting voltage source, with an open-circuit signal of 17.56 mV rms at 1.005 GHz. The voltage source is an RF Josephson arbitrary waveform synthesizer (RF-JAWS) that utilizes a circuit that is cooled to 4 K and is composed of an array of 4500 Josephson junctions. These junctio...

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关键词

Shape,Voltage measurement,Voltage,Microwave circuits,Microwave theory and techniques,Frequency synthesizers,Drives

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