Experimental Demonstration of a Robust and Scalable Flux Qubit (2009)
Harris, R., Johansson, J., Berkley, A. J., Johnson, M. W., Lanting, T., Han, Siyuan, ...
A novel rf-SQUID flux qubit that is robust against fabrication variations in Josephson junction critical currents and device inductance has been implemented. Measurements of the persistent current...
A scalable control system for a superconducting adiabatic quantum optimization processor (2009)
Johnson, M. W., Bunyk, P., Maibaum, F., Tolkacheva, E., Berkley, A. J., Chapple, E. M., ...
We have designed, fabricated and operated a scalable system for applying independently programmable time-independent, and limited time-dependent flux biases to control superconducting devices in an...
A scalable readout system for a superconducting adiabatic quantum optimization system (2009)
Berkley, A. J., Johnson, M. W., Bunyk, P., Harris, R., Johansson, J., Lanting, T., ...
We have designed, fabricated and tested an XY-addressable readout architecture for superconducting flux qubits in an integrated circuit designed to enable adiabatic quantum optimization algorithms....
A Compound Josephson Junction Coupler for Flux Qubits With Minimal Crosstalk (2009)
Harris, R., Lanting, T., Berkley, A. J., Johansson, J., Johnson, M. W., Bunyk, P., ...
An improved tunable coupling element for building networks of coupled rf-SQUID flux qubits has been experimentally demonstrated. This new form of coupler, based upon the compound Josephson junction...
Implementation of a Quantum Annealing Algorithm Using a Superconducting Circuit (2009)
Harris, R., Berkley, A. J., Johansson, J., Johnson, M. W., Lanting, T., Bunyk, P., ...
A circuit consisting of a network of coupled compound Josephson junction rf-SQUID flux qubits has been used to implement an adiabatic quantum optimization algorithm. It is shown that detailed...
Synchronization of Multiple Coupled rf-SQUID Flux Qubits (2009)
Harris, R., Brito, F., Berkley, A. J., Johansson, J., Johnson, M. W., Lanting, T., ...
A practical strategy for synchronizing the properties of compound Josephson junction rf-SQUID qubits on a multiqubit chip has been demonstrated. The impacts of small ($\sim1%$) fabrication variations...
Evolving standards for IT service (2009)
M. W. Johnson, A. Hately, B. A. Miller, R. Orr
management In this paper we describe standards and widely adopted best practices that facilitate the deployment of information technology service management (ITSM). We cover the Information...
Geometrical dependence of low frequency noise in superconducting flux qubits (2008)
Lanting, T., Berkley, A. J., Bumble, B., Bunyk, P., Fung, A., Johansson, J., ...
A general method for directly measuring the low-frequency flux noise (below 10 Hz) in compound Josephson junction superconducting flux qubits has been used to study a series of 85 devices of varying...
Landau-Zener Transitions in an Adiabatic Quantum Computer (2008)
Johansson, J., Amin, M. H. S., Berkley, A. J., Bunyk, P., Choi, V., Harris, R., ...
We report an experimental measurement of Landau-Zener transitions on an individual flux qubit within a multi-qubit superconducting chip designed for adiabatic quantum computation. The method used...
H. Nadel, R. Seligmann, M. W. Johnson, J. R. Hagler, D. C. Stenger, R. L. Groves
Host plant water status is thought to influence dispersal of the xylophagous leafhopper Homalodisca vitripennis Germar, especially where plants are grown under high evaporative demand. Preference by...
Probing Noise in Flux Qubits via Macroscopic Resonant Tunneling (2007)
Harris, R., Johnson, M. W., Han, S., Berkley, A. J., Johansson, J., Bunyk, P., ...
Macroscopic resonant tunneling between the two lowest lying states of a bistable RF-SQUID is used to characterize noise in a flux qubit. Measurements of the incoherent decay rate as a function of...
Sime, K R, Daane, K M, Nadel, H, Funk, C S, Messing, R H, Andrews, J W, ...
The olive fruit fly, Bactrocera oleae (Tephritidae), is a significant threat to California's olive industry. As part of a classical biological control program started in 2002, the parasitoids...
FIRST NEUTRON RESULTS FROM SNS (1985)
Leadbetter, A J, Abbley, D, Bailey, I F, Bennett, J R J, Boland, B C, Bowden, Z A, ...