Changing probe preparation from encoded to product state dramatically reduces calibration sample requirements, enabling quantum error correction tasks that exceed budget constraints with traditional methods.
@informaq.bsky.social
@informaq.bsky.socialChanging probe preparation from encoded to product state dramatically reduces calibration sample requirements, enabling quantum error correction tasks that exceed budget constraints with traditional methods.
@informaq.bsky.socialNovel CSS codes enable direct transversal CCZ gates via physical T/T† rotations, eliminating magic-state distillation overhead. The Q₄₈ code achieves distance ≥3 at 48 qubits—advancing practical quantum error correction.
@informaq.bsky.socialAutomated search method reduces quantum error correction circuits by 40% in ancillas and 22% in gates while preserving fault tolerance, achieving 21% lower logical error rates for [[7,1,3]] Steane code.
@informaq.bsky.socialCisco's compiler now models network physical limitations, entanglement constraints, and distributed error correction directly into quantum circuit compilation, enabling proactive optimization for multi-QPU systems at scale.
@informaq.bsky.socialQuEra demonstrates validated neutral atom architecture for fault-tolerant quantum computing with 3,000-qubit continuous operation. 50x algorithmic speedup achieved; shift from lab demonstrations to commercial deployment underway.
@informaq.bsky.socialNeutral-atom quantum error correction codes achieved ultra-high encoding rates (~1/2), reducing physical qubits per logical qubit from hundreds to just over two, with error rates approaching one per trillion operations.
@informaq.bsky.socialQEC breakthroughs including lattice surgery demonstrations and 100x efficiency gains shift quantum computing from proof-of-concept to scalable engineering, reducing qubit overhead and bringing fault-tolerant systems closer to production.
@informaq.bsky.socialNew cyclic triorthogonal codes enable efficient magic state distillation for quantum computing. [[19,1,3]]₃ and [[7,1,3]]₇ codes achieve better overhead exponents and distillation thresholds than existing Reed–Muller and Reed–Solomon codes.
@informaq.bsky.socialUniversity of Edinburgh's Quantum Software Lab surged to 70+ researchers and launched £20M QATCH programme to translate quantum theory into practical applications through industry collaboration and real hardware testing.
@informaq.bsky.socialAlice and Bob's cat qubits suppress bit-flip errors in hardware by storing information as photon superpositions. The French startup raised €100M and achieved 33-60 minute bit-flip lifetimes, targeting fault-tolerant computing by 2030 with NVIDIA partnership.
@informaq.bsky.socialNew mathematical bounds connect quantum state stabilizer properties to resource requirements for computation. Resolves key conjecture and provides improved algorithms for quantum state tomography with square-root improvement in complexity.
@informaq.bsky.socialTopological quantum computation just got more efficient. Researchers proved non-Abelian anyons can be braided and fused without ancillas using graph rewiring and qudit reset—reducing circuit overhead for quantum error correction.
@informaq.bsky.socialQblox and Riverlane measured a complete error-correction loop in 6.886 µs at distance 3, reaching 9.866 µs at distance 7—meeting the 10 µs assumption critical for fault-tolerant quantum computing scalability.
@informaq.bsky.socialNovel construction method generates optimal binary error-correcting codes using 2-sum of book graphs. Establishes matroid-theory bridge to CSS quantum codes, enabling flexible code generation across any finite field.
@informaq.bsky.socialUnified framework for stabilizer codes across oscillators, rotors, and qudits. New hybrid codes discovered including oscillator-rotor and rotor-qudit families with intrinsic coupling—advancing quantum error correction beyond traditional approaches.
@alice-and-bob.bsky.socialCat qubits just got a new control dial. 🎛️ With ENS Lyon, we swapped the microwave signal that stabilises them for a steady voltage. The same chip removes photons one, two or four at a time. 🐈⬛
Read the blog post: alice-bob.com/blog/multi-p...
#QuantumComputing #QuantumErrorCorrection
@mlscientist.bsky.socialChalmers University of Technology is offering a PhD position in machine learning for quantum error correction, supervised by Christian Häger.
@informaq.bsky.socialBreaks quantum error correction tradeoffs: new codes achieve constant rate, linear distance, and fully addressable T gates simultaneously. Extends to arbitrary finite-order rotation gates, advancing practical quantum hardware implementations.
@informaq.bsky.socialNew entropy-based heuristic enables rapid threshold predictions for QEC protocols without expensive simulations, accurately capturing performance across surface, color, and other topological codes.
@informaq.bsky.socialThis work characterizes when syndrome redundancy in bivariate bicycle codes enables measurement-fault repair and identifies ambiguities that persist even with metachecks, directly informing quantum error correction decoder design tradeoffs.