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6 papers · 2 filters
Overcoming leakage in scalable quantum error correction
Kevin C. Miao, Matt McEwen, Juan Atalaya +114
Leakage of quantum information out of computational states into higher energy states represents a major challenge in the pursuit of quantum error correction (QEC). In a QEC circuit…
Purification-based quantum error mitigation of pair-correlated electron simulations
T. E. O'Brien, G. Anselmetti, F. Gkritsis +173
An important measure of the development of quantum computing platforms has been the simulation of increasingly complex physical systems. Prior to fault-tolerant quantum computing,…
Readout of a quantum processor with high dynamic range Josephson parametric amplifiers
T. C. White, Alex Opremcak, George Sterling +91
We demonstrate a high dynamic range Josephson parametric amplifier (JPA) in which the active nonlinear element is implemented using an array of rf-SQUIDs. The device is matched to…
Suppressing quantum errors by scaling a surface code logical qubit
Rajeev Acharya, Igor Aleiner, Richard Allen +154
Practical quantum computing will require error rates that are well below what is achievable with physical qubits. Quantum error correction offers a path to algorithmically-relevant…
Multi-qubit doilies: enumeration for all ranks and classification for ranks four and five
Axel Muller, Metod Saniga, Alain Giorgetti +2
For , an -qubit doily is a doily living in the -qubit symplectic polar space. These doilies are related to operator-based proofs of quantum contextuality. Following…
Three-Qubit-Embedded Split Cayley Hexagon is Contextuality Sensitive
Frédéric Holweck, Henri de Boutray, Metod Saniga
It is known that there are two non-equivalent embeddings of the split Cayley hexagon of order two into , the binary symplectic polar space of rank three, called c…