3 papers
quant-ph2025
Addressable fault-tolerant universal quantum gate operations for high-rate lift-connected surface codes
Josias Old, Juval Bechar, Markus Müller +1
Quantum low-density parity check (qLDPC) codes are among the leading candidates to realize error-corrected quantum memories with low qubit overhead. Potentially high encoding rates…
quant-ph2025
Fault-Tolerant Stabilizer Measurements in Surface Codes with Three-Qubit Gates
Josias Old, Stephan Tasler, Michael J. Hartmann +1
Quantum error correction (QEC) is considered a deciding component in enabling practical quantum computing. Stabilizer codes, and in particular topological surface codes, are promis…
quant-ph2025
Optimizing Superconducting Three-Qubit Gates for Surface-Code Error Correction
Stephan Tasler, Josias Old, Lukas Heunisch +4
Quantum error correction (QEC) is one of the crucial building blocks for developing quantum computers that have significant potential for reaching a quantum advantage in applicatio…