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quant-ph2023★ 27 cited
Native two-qubit gates in fixed-coupling, fixed-frequency transmons beyond cross-resonance interaction
Ken Xuan Wei, Isaac Lauer, Emily Pritchett +3
Fixed-frequency superconducting qubits demonstrate remarkable success as platforms for stable and scalable quantum computing. Cross-resonance gates have been the workhorse of fixed…
quant-ph2023
Characterizing non-Markovian Off-Resonant Errors in Quantum Gates
Ken Xuan Wei, Emily Pritchett, David M. Zajac +2
As quantum gates improve, it becomes increasingly difficult to characterize the remaining errors. Here we describe a class of coherent non-Markovian errors -- excitations due to an…