A Cryogenic Quantum-Based RF Source

J. A. Brevik,A. S. Boaventura,M. A. Castellanos-Beltran,C. A. Donnelly,N. E. Flowers-Jacobs,A. E. Fox,P. F. Hopkins,P. D. Dresselhaus,D. F. Williams,S. P. Benz

2020 95th ARFTG Microwave Measurement Conference (ARFTG)（2020）

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摘要

We performed a preliminary calibrated measurement of the output power of a Josephson arbitrary waveform synthesizer up to 1 GHz. We present the results and measurement procedure for generating quantum-based signals using an array of Josephson junctions operating at cryogenic temperature and calibrating those signals to transfer the on-wafer quantum-based accuracy to room temperature.

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关键词

Josephson arrays,quantization,signal synthesis,standards,superconducting integrated circuits,voltage measurement,power measurement,digital-analog conversion

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