2024-11-19
LQ 28
Microsoft & Atom Computing: 28 Logical Qubits, Record GHZ Entanglement
Microsoft and Atom Computing set a world record: 24 LQ entangled in a GHZ cat state (highest on record), plus computation with 28 LQ from 112 neutral-atom qubits (4:1 overhead). First commercial neutral-atom system with loss correction.
2024-09-10
LQ 12
Microsoft & Quantinuum: 12 Logical Qubits + First Hybrid Chemistry Simulation
Microsoft and Quantinuum tripled their record to 12 LQ on Quantinuum's 56-qubit H2, with a 22× improvement over base error rates. Two LQ drove the world's first end-to-end quantum-AI-HPC chemistry simulation, estimating an iron catalyst's ground-state energy within chemical accuracy.
2024-04-03
LQ 4
Microsoft & Quantinuum: 4 Logical Qubits with 800× Error Improvement
Microsoft’s qubit-virtualization system on Quantinuum’s H2 hardware created 4 highly reliable logical qubits from 30 qubits — delivering an 800× improvement in logical error rate (circuit error rate 10⁻⁵) over physical qubits, with 14,000 error-free independent runs.