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- IBM Research - Thomas J. Watson Research CenterUS28 papers
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4 papers · 2 filters
Magic state distillation with low overhead
Sergey Bravyi, Jeongwan Haah
We propose a new family of error detecting stabilizer codes with an encoding rate 1/3 that permit a transversal implementation of the pi/8-rotation on all logical qubits. The n…
Limits on classical communication from quantum entropy power inequalities
Robert Koenig, Graeme Smith
Almost all modern communication systems rely on electromagnetic fields as a means of information transmission, and finding the capacities of these systems is a problem of significa…
Characterization of addressability by simultaneous randomized benchmarking
Jay M. Gambetta, A. D. Corcoles, S. T. Merkel +9
The control and handling of errors arising from cross-talk and unwanted interactions in multi-qubit systems is an important issue in quantum information processing architectures. W…
Complete universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits
Jerry M. Chow, Jay M. Gambetta, A. D. Corcoles +9
We use quantum process tomography to characterize a full universal set of all-microwave gates on two superconducting single-frequency single-junction transmon qubits. All extracted…