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quant-ph2026
Setting angles in quantum approximate optimization at utility-scale
Maosheng Guo, Joel Jurado Diaz, Anurag Ramesh +16
The quantum approximate optimization algorithm (QAOA) is a powerful heuristic that seeks to solve combinatorial optimization problems using quantum hardware and classical optimizat…
quant-ph2025
Mitigating errors in state preparation and measurement with noncomputational states
Conrad J. Haupt, Almudena Carrera Vazquez, Laurin E. Fischer +2
Error mitigation has enabled quantum computing applications with over one hundred qubits and deep circuits. Many error mitigation methods are noise-aware, relying on a faithful cha…
quant-ph2023
Leakage in restless quantum gate calibration
Conrad J. Haupt, Daniel J. Egger
Quantum computers require high fidelity quantum gates. These gates are obtained by routine calibration tasks that eat into the availability of cloud-based devices. Restless circuit…