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Search Publications by: Jeremy Thomas (Fed)

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Displaying 1 - 3 of 3

VHF Josephson Arbitrary Waveform Synthesizer

October 1, 2024
Author(s)
Jeremy Thomas, Nathan Flowers-Jacobs, Anna Fox, Akim Babenko, Samuel Benz, Paul Dresselhaus
We report on the design, fabrication, and measurement of a Very High Frequency band Josephson Arbitrary Waveform Synthesizer (VHF-JAWS) at frequencies up to 50.05 MHz. The VHF-JAWS chip is composed of a series array of 12810 Josephson junctions (JJs)

Measuring VHF Detector Linearity using a Quantum-Based Source

August 30, 2024
Author(s)
Jeremy Thomas, Nathan Flowers-Jacobs, Anna Fox, Alain Rufenacht, Paul Dresselhaus
We demonstrate the use of a Josephson Arbitrary Waveform Synthesizer (JAWS) for linearity measurements of two instruments: an RF power sensor and a fast ADC. The VHF-JAWS source consists of a chip with 12,810Josephson junctions located in a cryocooler and

Pulse Patterns for the Josephson Arbitrary Waveform Synthesizer

August 30, 2024
Author(s)
Nathan Flowers-Jacobs, Raegan Johnson, Jeremy Thomas, Alain Rufenacht, Anna Fox, Paul Dresselhaus, Samuel Benz
Δ-sigma algorithms are used to determine the desired sequence of quantum-based voltage pulses used by the Josephson Arbitrary Waveform Synthesizer (JAWS) to create calculable voltage waveforms. We describe typical settings used for synthesizing JAWS audio
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