A weekly review of published quantum research: technology trends, the global research footprint, and selected developments connected to public companies.
3–9 October 2026
A tenfold leaner memory from wired-together modules, error correction around a chip’s weak spots, a kilohertz link between two qubit technologies, and the real price of a usable magic state. With selected research from Google, IBM and IonQ.
26 September – 2 October 2026
A claimed chemistry break-even on 120 qubits, a new classical-sampling limit for noisy unital circuits, and spin-qubit initialization without local reservoirs. With selected research from IBM, QuEra and RIKEN.
19–25 September 2026
A quantum advantage claim run through a standard cloud queue, a fast-moving front in new error-correcting codes, and error correction moving into the hardware stack. With selected research from BlueQubit on IBM hardware, MIT and a photonic processor in orbit.
12–18 September 2026
Wafer-scale statistics, a 90% optical memory and quantum signals sharing fiber with 10 Gbps traffic: this week’s research made deployment constraints measurable. With selected research from the University of Illinois, LuxQuanta and IBM.
5–11 September 2026
The systems around the qubit come into focus: control, the cost of quantum algorithms, and the connections needed to scale. With selected research from IBM, NTT, and JPMorgan Chase.
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