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Arbitrary quantum control of qubits in the presence of universal noise
Todd J. Green, Jarrah Sastrawan, Hermann Uys +1
In this manuscript we address the problem of deriving \emph{analytic} expressions for calculating universal decoherence-induced errors in qubits undergoing arbitrary, unitary, time…
Long-time Low-latency Quantum Memory by Dynamical Decoupling
Kaveh Khodjasteh, Jarrah Sastrawan, David Hayes +3
Quantum memory is a central component for quantum information processing devices, and will be required to provide high-fidelity storage of arbitrary states, long storage times and…
Engineered 2D Ising interactions on a trapped-ion quantum simulator with hundreds of spins
Joseph W. Britton, Brian C. Sawyer, Adam C. Keith +5
The presence of long-range quantum spin correlations underlies a variety of physical phenomena in condensed matter systems, potentially including high-temperature superconductivity…
Spectroscopy and Thermometry of Drumhead Modes in a Mesoscopic Trapped-Ion Crystal using Entanglement
Brian C. Sawyer, Joseph W. Britton, Adam C. Keith +5
We demonstrate spectroscopy and thermometry of individual motional modes in a mesoscopic 2D ion array using entanglement-induced decoherence as a method of transduction. Our system…