Early fault-tolerant quantum algorithms are a key step in scalable quantum computing, but are ultimately constrained by residual, uncorrectable logical errors. Logical quantum error mitigation can eliminate this bias, however its standard requirements include prior noise characterization, more complex experiments, and...
Oles Shtanko, Saswata Roy, Shashwat Kumar et al.· 0 citations
Overcoming experimental errors is a central challenge in quantum science. This challenge is particularly acute in large and complex quantum circuits, where quantum information spreads into exponentially many paths, foiling any direct attempt to understand errors'impact. In this work, we present a novel approach to unde...
Philippe Suchsland, T. Schuster, Manuel S. Rudolph et al.· 2 citations
Learning unknown noise processes in quantum systems reveals their physical origin and informs error suppression, mitigation, and correction. Characterizing a general quantum process requires exponentially many parameters inferred from noncommuting measurements. Because these measurements cannot be performed simultaneou...
A. Seif, Senrui Chen, Swarnadeep Majumder et al.· Nature Communications· 12 citations
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