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The 160 surveyed companies named the countries where they buy, sell, and manufacture, but not what they buy or in what volumes. China, whose companies were not invited, ranked sixth as a supplier location.
QuEra sells neutral-atom machines with 256 and 260 physical qubits, while Harvard and MIT teams that include its co-founders have run arrays of more than 3,000 atoms. Its Libra computer, due in 2028, is the test.
Fujitsu put tin-vacancy centers into photonic chips that run at about 1.55 kelvin and, in testing, can be used through its software platform. It gave no qubit count, gate fidelity, coherence time, or entanglement rate.
G7 cybersecurity agencies addressed decision-makers rather than technical teams, set five priorities from raising awareness to writing PQC into cybersecurity requirements, and warned that organizations that delay could be excluded from contracting opportunities, including public procurement.
Twenty authors tied quantum chemistry and topological data analysis to Helios, Sol in 2027, Apollo in 2029, and Lumos in the 2030s. They called the roadmap an assumption-driven envelope, not a deterministic forecast.
Shenzhen researchers reported logical operations on two logical qubits stored in phosphorus atoms. SQC described a processor with 11 physical qubits. QuTech, RIKEN, Intel, Diraq, and imec published results from quantum dots made in labs and in industrial fabs.
Thirteen IBM researchers laid out how quantum processors should share schedulers, networks, and security controls with CPUs and GPUs. They described early installations at RIKEN and RPI. Tighter coupling and fully co-designed systems remain proposals.
