Berlin 2024 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
QI: Fachverband Quanteninformation
QI 23: Quantum Control
QI 23.5: Vortrag
Donnerstag, 21. März 2024, 10:30–10:45, HFT-FT 131
Universal readout error mitigation — •Adrian S. Aasen1,2, Andras Di Giovanni3, Hannes Rotzinger3,4, Alexey V. Ustinov3,4, and Martin Gärttner1,2 — 1Kirchhoff-Institut für Physik, Universität Heidelberg, Heidelberg, Germany — 2Institut für Festkörpertheorie und -optik, Friedrich-Schiller-Universität Jena, Jena, Germany — 3Physikalisches Institut, Karlsruher Institut für Technologie, Karlsruhe, Germany — 4Institut für QuantenMaterialien und Technologien, Karlsruher Institut für Technologie, Karlsruhe, Germany
Quantum technologies rely heavily on accurate control and reliable readout of quantum systems. Current experiments are limited by numerous sources of noise that can only be partially captured by simple analytical models and additional characterization of the noise sources is required. To overcome this challenge, we designed a universal readout error mitigation protocol. This protocol is based on quantum state tomography (QST), which estimates the density matrix of a quantum system, and quantum detector tomography (QDT), which characterizes the measurement procedure. By treating readout error mitigation in the context of state tomography the method becomes largely device-, architecture-, noise source-, and quantum state-independent.
Keywords: Error mitigation; Readout; POVM; NISQ; Quantum state tomography