36 citations · 151 across the 8 of their papers we have counts for
8 papers
Thin-film superconducting resonator tunable to the ground-state hyperfine splitting of Rb
Z. Kim, C. P. Vlahacos, J. E. Hoffman +13
We describe a thin-film superconducting Nb microwave resonator, tunable to within 0.3 ppm of the hyperfine splitting of Rb at GHz. We coarsely tuned the re…
Multi-level Spectroscopy of Two-Level Systems Coupled to a dc SQUID Phase Qubit
T. A. Palomaki, S. K. Dutta, R. M. Lewis +8
We report spectroscopic measurements of discrete two-level systems (TLSs) coupled to a dc SQUID phase qubit with a 16 μ\m2 area Al/AlOx/Al junction. Applying microwaves in the 10 G…
Decoherence in dc SQUID phase qubits
Hanhee Paik, S. K. Dutta, R. M. Lewis +8
We report measurements of Rabi oscillations and spectroscopic coherence times in an Al/AlOx/Al and three Nb/AlOx/Nb dc SQUID phase qubits. One junction of the SQUID acts as a phase…
Comparison of coherence times in three dc SQUID phase qubits
Hanhee Paik, B. K. Cooper, S. K. Dutta +8
We report measurements of spectroscopic linewidth and Rabi oscillations in three thin-film dc SQUID phase qubits. One device had a single-turn Al loop, the second had a 6-turn Nb l…
Strong-field effects in the Rabi oscillations of the superconducting phase qubit
F. W. Strauch, S. K. Dutta, Hanhee Paik +8
Rabi oscillations have been observed in many superconducting devices, and represent prototypical logic operations for quantum bits (qubits) in a quantum computer. We use a three-le…
Fast High-Fidelity Measurements of the Ground and Excited States of a dc-SQUID Phase Qubit
T. A. Palomaki, S. K. Dutta, R. M. Lewis +8
We have investigated the fidelity and speed of single-shot current-pulse measurements of the three lowest energy states of the dc SQUID phase qubit. We apply a short (2ns) current…