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Batched high-rate logical operations for quantum LDPC codes
Qian Xu, Hengyun Zhou, Dolev Bluvstein +5
High-rate quantum LDPC (qLDPC) codes reduce memory overhead by densely packing many logical qubits into a single block of physical qubits. Here we extend this concept to high-rate…
Architectural mechanisms of a universal fault-tolerant quantum computer
Dolev Bluvstein, Alexandra A. Geim, Sophie H. Li +20
Quantum error correction (QEC) is believed to be essential for the realization of large-scale quantum computers. However, due to the complexity of operating on the encoded `logical…
Fast correlated decoding of transversal logical algorithms
Madelyn Cain, Dolev Bluvstein, Chen Zhao +7
Quantum error correction (QEC) is required for large-scale computation, but incurs a significant resource overhead. Recent advances have shown that by jointly decoding logical qubi…
Resource Analysis of Low-Overhead Transversal Architectures for Reconfigurable Atom Arrays
Hengyun Zhou, Casey Duckering, Chen Zhao +5
Neutral atom arrays have recently emerged as a promising platform for fault-tolerant quantum computing. Based on these advances, including dynamically-reconfigurable connectivity a…
Counterdiabatic Driving with Performance Guarantees
Jernej Rudi Finžgar, Simone Notarnicola, Madelyn Cain +2
Counterdiabatic (CD) driving has the potential to speed up adiabatic quantum state preparation by suppressing unwanted excitations. However, existing approaches either require intr…
Leveraging Qubit Loss Detection in Fault Tolerant Quantum Algorithms
Gefen Baranes, Madelyn Cain, J. Pablo Bonilla Ataides +5
Qubit loss errors constitute a dominant source of noise in many quantum hardware systems, particularly in neutral atom quantum computers. We develop a theoretical framework to effe…