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Nathan Flowers-Jacobs (Fed)


Characterization of a Josephson Junction Comb Generator

Akim Babenko, Alirio De Jesus Soares Boaventura, Nathan Flowers-Jacobs, Justus Brevik, Anna Fox, Dylan Williams, Zoya Popovic, Paul Dresselhaus, Samuel P. Benz
We present a new type of microwave frequency combs with a potentially calculable pulse shape. The device is an array of 1500 Josephson junctions (JJs) connected

A Cryogenic Quantum-Based RF Source

Justus A. Brevik, Alirio De Jesus Soares Boaventura, Manuel C. Castellanos Beltran, Christine A. Donnelly, Nathan E. Flowers-Jacobs, Anna E. Fox, Peter F. Hopkins, Paul D. Dresselhaus, Dylan Williams, Samuel P. Benz
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

Zero-Compensation Josephson Arbitrary Waveform Synthesizer at 1.33 V

Nathan E. Flowers-Jacobs, Akim Babenko, Anna E. Fox, Justus A. Brevik, Paul D. Dresselhaus, Samuel P. Benz
This paper describes the generation of a quantum-based rms output voltage of 1.332 V using an ac-coupled Josephson Arbitrary Waveform Synthesizer (JAWS) without

Patents (2018-Present)

Multiple Output-tap Josephson Voltage Standard

NIST Inventors
Samuel P. Benz , Paul Dresselhaus , Alain Rufenacht , Nathan Flowers-Jacobs and Anna Fox
patent description The invention is a method for producing multiple voltage outputs simultaneously with single or multiple Josephson voltage circuits implemented in a single cryogenic system. The output voltages can be of fixed ratio, independently programmable, or frequency/phase locked for ac
Created September 24, 2019, Updated December 8, 2022