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C. J. Ballance
Researcher at University of Oxford
Publications - 56
Citations - 2613
C. J. Ballance is an academic researcher from University of Oxford. The author has contributed to research in topics: Qubit & Ion trap. The author has an hindex of 18, co-authored 42 publications receiving 1990 citations.
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High-fidelity spatial addressing of Ca-43 qubits using near-field microwave control
D. P. L. Aude Craik,Norbert M. Linke,M. A. Sepiol,T. P. Harty,C. J. Ballance,D. N. Stacey,Andrew M. Steane,D. M. Lucas,D. T. C. Allcock +8 more
TL;DR: In this paper, the authors demonstrate addressing of long-lived "atomic clock" qubits held in separate zones of a microfabricated surface trap with integrated microwave electrodes, and demonstrate polarization control of the microwave field with error $2\times 10^{-5}$, sufficient to suppress off-resonant excitation out of the qubit states to the $\sim 10−9}$ level.