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Search Publications by Joe Aumentado

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Displaying 1 - 25 of 38

Modeling Bloch Oscillations in Nanoscale Josephson Junctions

Author(s)
Heli C. Vora, Richard Kautz, Sae Woo Nam, Jose A. Aumentado
Bloch oscillations in nanoscale Josephson junctions with a Coulomb charging energy comparable to the Josephson coupling energy are explored within the context

Mechanically mediated microwave frequency conversion

Author(s)
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
We report the observation of efficient and low-noise frequency conversion between two microwave modes, mediated by the motion of a mechanical resonator

Tunable Resonant and Nonresonant Interactions between a Phase Qubit and LC Resonator

Author(s)
Michael S. Allman, Jed D. Whittaker, Manuel C. Castellanos Beltran, Katarina Cicak, Fabio C. Da Silva, Michael DeFeo, Florent Q. Lecocq, Adam J. Sirois, John D. Teufel, Jose A. Aumentado, Raymond W. Simmonds
We use a flux-biased radio frequency superconducting quantum interference device (rf SQUID) with an embedded flux-biased direct current SQUID to generate strong

Two-port microwave calibration at millikelvin temperatures

Author(s)
Leonardo M. Ranzani, Jose A. Aumentado, Lafe F. Spietz, Zoya Popovic
In this work we introduce a system for 2-port microwave calibration at millikelvin temperatures operating at the coldest stage of a dilution refrigerator by use

Two-port microwave calibration at milliKelvin temperatures

Author(s)
Leonardo M. Ranzani, Lafe F. Spietz, Zoya Popovic, Jose A. Aumentado
In this work we introduce a system for 2-port microwave calibration at millikelvin temperatures operating at the coldest stage of a dilution refrigerator by use

The Cooper Pair Transistor

Author(s)
Jose A. Aumentado
The Cooper pair transistor (CPT) is a superconducting electrometer that has applications in quantum information as well as fundamental superconductivity studies