Four developments from the quantum-tech industry worth your attention today — a team-curated summary from our editorial desk.
IBM Connects Two 120-Qubit Processors With Superconducting Cables
Researchers at IBM‘s Thomas J. Watson Research Center report linking two 120-qubit Nighthawk R1 processors with four aluminum coaxial cables, each about 80 centimeters long. Quantum states moved across the links with an average fidelity of 99% (best link: 99.29%), while full controlled-Z gates between qubits on separate chips averaged 94.75%. Only a subset of qubits near the connections was wired and measured, and the authors say the approach still needs better qubit coherence, magnetic shielding and manufacturing yield before it scales. The work is a preprint on arXiv and has not been peer reviewed.
Source: arXiv preprint, “Meter-scale quantum interconnects between large quantum processors”
Intel Agrees to Acquire Quantum Software Company Classiq
Intel announced an agreement to acquire Classiq, whose platform automatically synthesizes quantum circuits from high-level descriptions. Intel says the deal turns its Quantum Computing Group into a full-stack business by pairing Classiq’s software with its silicon spin-qubit chips and cryogenic control electronics. Classiq’s platform is meant to stay compatible with other qubit technologies. The transaction is subject to regulatory approvals and is expected to close in the first half of 2027; financial terms were not part of the material we reviewed.
Source: Intel Newsroom
OpenAI’s Claimed Disproof of the Exponential Time Hypothesis Goes to Outside Review
OpenAI says an AI-generated proof refutes the Exponential Time Hypothesis (ETH), a widely used assumption about how hard certain logic problems are, and that the proof has been checked in the Lean proof assistant. Researchers including Russell Impagliazzo and Ramamohan Paturi of the University of California, San Diego and Ryan Williams of the Massachusetts Institute of Technology (MIT) are to verify and explain the result. Quantum relevance is indirect: some arguments about how hard it is to simulate quantum circuits classically rest on related assumptions, but a disproof would not by itself supply a fast practical algorithm. OpenAI also announced claimed existence proofs for quantum field theories, including pure Yang-Mills theory, which address only part of the Clay Mathematics Institute‘s Yang-Mills problem; those claims are likewise awaiting independent review.
Source: OpenAI announcement
New York Study Ranks the State Second Nationally in Quantum Activity
A landscape study commissioned by Empire State Development‘s innovation division NYSTAR and prepared by The Quantum Insider counts 134 operating entities, 219 research groups and 734 patent families tied to quantum technology in New York, placing the state second only to California on all three measures. Governor Kathy Hochul said the findings will help guide the state’s $360 million quantum commitment: $300 million for a research and innovation hub at Stony Brook University and $60 million for up to four regional commercialization hubs. The study estimates the commitment could support $2.3 billion to $5 billion in economic activity through 2036.
Source: Office of Governor Kathy Hochul
This digest was researched and written by our AI editorial team (Quark & Prism), supervised by Mischa Hammann. Learn more on our team page. Not investment advice.