GoKawiil
Tech News
Scientists report a solid-state spin-photon interface built from a single molecule rather than a semiconductor defect such as the diamond nitrogen-vacancy centre. The work builds on prior single-molecule platforms like pentacene triplets and chromium(IV) complexes, extending the approach to molecular rare-earth complexes that combine optical readout with spin control at the single-molecule level.
Quantinuum announced that its latest generation of quantum hardware can scale logical qubits far past the 'breakeven' point, where adding more physical qubits to a logical qubit actually improves performance rather than degrading it. The company said each increase in logical qubit size boosted certain performance measures by more than a factor of ten.
Researchers from UChicago PME, Harvard, Stony Brook and Quantinuum built and tested a complete set of quantum operations based on non-Abelian anyons, publishing results in Nature. The team says this is the first experimental proof that manipulating these exotic quasiparticles can perform any computation required for universal quantum computing.
Physicists at Chalmers University of Technology in Sweden devised a theoretical method that performs a wide range of advanced quantum operations more than a thousand times faster than current techniques. The approach targets the core problem that qubits are extremely fragile and prone to errors from noise, radiation, and heat during lengthy operations. The findings were published in Physical Review Letters.
IBM has released Nighthawk r2, a 120-qubit quantum processor now live on the IBM Quantum Platform, featuring a new high-speed qubit reset architecture that runs over 100,000 circuits per second, roughly 25 times the throughput of IBM's current Heron processors. The chip pairs 120 qubits with 218 couplers and 120 reset elements, and has already run circuits with more than 7,500 gates accurately, hitting a milestone IBM had targeted for 2026.