Error Correction
4 articles
Four Interlocking Walls: Why Scaling Quantum Computers Beyond 100 Qubits Is a Systemic Problem, Not a Parts Count
Scaling quantum computers beyond a few hundred qubits is a systemic problem, not just a parts count issue. Four interdependent challenges—qubit fragility, error correction, control complexity, and interconnectivity—must be addressed holistically for progress.
IBM advances quantum error correction for fault-tolerant computing
Researchers have dramatically increased logical qubit survival rates from below 90 percent to more than 96 percent per error-correction cycle, according to The Quantum Insider .
Topological Qubits: The Quest for an Error-Resistant Quantum Computer
Topological qubits represent a novel approach to quantum computing, encoding data in collective properties of matter to overcome the inherent fragility and high error rates of conventional qubits. This inherent robustness offers a potential path toward stable, scalable quantum computers capable of tackling complex global challenges.
New technique fixes neutral-atom quantum computer flaw
For the first time, a neutral atom quantum computer has demonstrated 'better-than-physical' error rates, meaning its logical qubits are more stable than the individual atoms they are built from.