70 citations · 145 across the 6 of their papers we have counts for
6 papers
Decoherence in a Pair of Long-Lived Cooper-Pair Boxes
V. Zaretskey, S. Novikov, B. Suri +3
We have investigated the decoherence of quantum states in two Al/AlOx/Al Cooper-pair boxes coupled to lumped element superconducting LC resonators. At 25 mK, the first qubit had an…
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…
Atoms Talking to SQUIDs
J. E. Hoffman, J. A. Grover, Z. Kim +10
We present a scheme to couple trapped Rb atoms to a superconducting flux qubit through a magnetic dipole transition. We plan to trap atoms on the evanescent wave outside an…
Decoupling a Cooper-pair box to enhance the lifetime to 0.2 ms
Z. Kim, B. Suri, V. Zaretskey +5
We present a circuit QED experiment in which a separate transmission line is used to address a quasi-lumped element superconducting microwave resonator which is in turn coupled to…
Anomalous avoided level crossings in a Cooper-pair box spectrum
Z. Kim, V. Zaretskey, Y. Yoon +5
We have observed a few distinct anomalous avoided level crossings and voltage dependent transitions in the excited state spectrum of an Al/AlOx/Al Cooper-pair box (CPB). The device…
Spectroscopy of Charge Fluctuators Coupled to a Cooper Pair Box
F. C. Wellstood, Z. Kim, B. Palmer
We analyze the behavior of a Cooper Pair Box (CPB) that is coupled to charge fluctuators that reside in the dielectric barrier layer in the box's ultra-small tunnel junction. We de…