228 citations · 396 across the 2 of their papers we have counts for
3 papers · 1 filter
Microwave response of vortices in superconducting thin films of Re and Al
C. Song, T. W. Heitmann, M. P. DeFeo +5
Vortices in superconductors driven at microwave frequencies exhibit a response related to the interplay between the vortex viscosity, pinning strength, and flux creep effects. At t…
State tomography of capacitively shunted phase qubits with high fidelity
Matthias Steffen, M. Ansmann, R. McDermott +7
We introduce a new design concept for superconducting quantum bits (qubits) in which we explicitly separate the capacitive element from the Josephson tunnel junction for improved q…
Observation of quantum oscillations between a Josephson phase qubit and a microscopic resonator using fast readout
K. B. Cooper, Matthias Steffen, R. McDermott +5
We have detected coherent quantum oscillations between Josephson phase qubits and microscopic critical-current fluctuators by implementing a new state readout technique that is an…