4 papers
Minimal Time Robust Control for Two Superconducting Qubits
Niril George, Joseph L. Allen, Robert Kosut +1
High-fidelity quantum gates are crucial for achieving fault-tolerant quantum computing; however, decoherence significantly reduces gate fidelities during long operation times. Alth…
Robustness of quantum algorithms: Worst-case fidelity bounds and implications for design
Julian Berberich, Tobias Fellner, Robert L. Kosut +1
Errors occurring on noisy hardware pose a key challenge to reliable quantum computing. Existing techniques such as error correction, mitigation, or suppression typically separate t…
A Fundamental Bound for Robust Quantum Gate Control
Robert L. Kosut, Daniel A. Lidar, Herschel Rabitz
We derive a universal performance limit for coherent quantum control in the presence of modeled and unmodeled uncertainties. For any target unitary that is implementable in the…
Bringing Quantum Systems under Control: A Tutorial Invitation to Quantum Computing and Its Relation to Bilinear Control Systems
Julian Berberich, Robert L. Kosut, Thomas Schulte-Herbrüggen
Quantum computing comes with the potential to push computational boundaries in various domains including, e.g., cryptography, simulation, optimization, and machine learning. Exploi…