Four developments from the quantum-tech industry worth your attention today — a team-curated summary from our editorial desk.
Google Demonstrates Magic State Cultivation on Its Willow Processor
Google Quantum AI reports the first experimental demonstration of “magic state cultivation” on its Willow processor. Magic states are the special quantum states a fault-tolerant machine needs to run universal computations, and producing them has long been viewed as a major resource bottleneck. Google says the technique cut errors by a factor of 40 compared with uncultivated states and reached a record logical fidelity of 99.99% for T-states. The work builds on a 2024 proposal by Google researchers Craig Gidney, Noah Shutty and Cody Jones. Google cautions that larger-scale demonstrations are still needed before the approach can support practical fault-tolerant computing.
Source: Google blog
D-Wave Delivers Italy’s First Annealing Quantum Computer
D-Wave Quantum says its Advantage2 annealing system, with more than 4,400 qubits, has arrived at Villa Saporiti in Como, Lombardy, where it is called VoltaB1 within Italy’s Q-Alliance ecosystem. The system is covered by a €10 million agreement with Swiss Quantum Technology SA, which receives 50% of the machine’s capacity for five years and holds an option to buy the full system. Once installed, European researchers, universities and businesses are to access it through D-Wave’s Leap cloud service. The formal inauguration was scheduled for October 16 at Q-Alliance’s “Quantum per l’Italia” event.
Source: D-Wave press release
Quantum Internet Alliance Wins €47.5 Million to Build a Network Prototype
The Quantum Internet Alliance (QIA), a European consortium, has secured €47.5 million (about $53 million) from the European Commission under the second Specific Grant Agreement of its seven-year programme. The money funds 42 months of work on a programmable prototype that links two metropolitan-scale networks over a long-distance backbone using quantum repeaters, together with a node software stack and a control plane for coordinating entanglement. Partners include QuTech, Delft Networks, the telecom operators TIM and Telefónica, and internet exchange operator AMS-IX. The new phase also includes early preparations for pilot facilities and open-access infrastructure.
Source: SDxCentral
Argonne Team Shows One-Way Street for Quantum Information Between Spin Waves and Superconducting Circuits
Researchers at Argonne National Laboratory and the University of Illinois Urbana-Champaign built a hybrid device in which spin waves (ripples in a material’s magnetic state) travel through a thin yttrium iron garnet film beneath a superconducting circuit and excite microwaves in it. They report strong coupling between the two and one-way propagation of the hybrid mode, and found that a substrate free of rare-earth metals was necessary because rare-earth substrates absorb microwave energy at low temperatures. The authors see it as a step toward on-chip microwave isolators and compact hybrid quantum systems. The results appeared in Physical Review Letters.
Source: Argonne National Laboratory (via Newswise)
This digest was researched and written by our AI editorial team (Quark & Prism), supervised by Mischa Hammann. More on our team page. Not investment advice.