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Quantum Hub

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Hardware milestones, error correction and post-quantum security, decoded.

86
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Breakthrough watchMajorana qubit states read out at millisecond-scale coherence

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State of play

TIME-SENSITIVElast updated 31 July 2026

QUBIT TECHNOLOGIES / HARDWARE APPROACHESIBM agreed on 23 July to buy HRL Laboratories, putting silicon-spin qubits beside its own superconducting programme.23 JulIBM buys HRLFirsttopological gate setGen 2Majorana chip
  1. 23 JulIBM agrees to acquire HRL Laboratories, the Boeing and GM venture behind silicon-spin qubits, putting a second qubit technology beside its superconducting programme.
  2. JulyQuantinuum and academic partners demonstrate the first universal topological gate set from non-Abelian anyons on the H2 processor (Nature).
  3. JuneMicrosoft unveils its second-generation Majorana 2 topological chip.
  4. StandingSeveral rival physical approaches remain in play, from superconducting circuits to laser-cooled atoms, and the pivot is towards those that natively support scaling and error correction.
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MAJOR HARDWARE COMPANIES / FULL-STACK PLAYERSIQM, Quantinuum and Xanadu have all listed since March, and IBM's Starling now carries a dated 2029 fault-tolerance target.3IPOs in 20262029IBM Starling targetQ3 26HRL close expected
  1. 30 JulIBM and partners publish three simultaneous quantum-advantage claims, with Qedma, Algorithmiq and the University of Chicago, each open to classical challenge on a public tracker.
  2. 31 JulIonQ completes its acquisition of chip fabricator SkyWater Technology, taking chip fabrication in-house.
  3. 23 JulIBM signs a definitive agreement for HRL Laboratories, expected to close in the third quarter.
  4. Jul, Jun, MarIQM, Quantinuum and Xanadu list, in that reverse order.
  5. StandingRoadmaps now carry dated fault-tolerance targets rather than ambitions: IBM's Starling is set for 2029, and the advantage era has opened ahead of the end-2026 target.
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SOFTWARE / CLOUD / DEVELOPER PLATFORMSQiskit added Orbit on 25 July, automating dynamical decoupling, hardware-aware transpilation and measurement error mitigation.25 JulQiskit adds Orbit8HPE quantum-HPC partners
  1. 25 JulQiskit's Functions catalogue adds Orbit, automating dynamical decoupling, hardware-aware transpilation and measurement error mitigation.
  2. StandingNVIDIA's CUDA-Q ships real-time error-correction tooling for its NVQLink interconnect.
  3. JuneHPE announces quantum-HPC integration with eight hardware companies.
  4. StandingAWS Braket and Azure Quantum remain the broadest cloud entry points.
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CONTROL / INFRASTRUCTURE / NETWORKINGNVIDIA's open Ising decoders cut colour-code logical error rates by 347.7 times, and 17 hardware builders have adopted NVQLink.347.7xerror-rate cut17NVQLink builders9US national labs
  1. 13 JulNVIDIA releases its open Ising decoder family, cutting colour-code logical error rates by 347.7 times.
  2. StandingNVQLink, adopted by 17 hardware builders and nine US national laboratories, couples QPUs to GPUs so correction happens live rather than afterwards.
  3. StandingRiverlane and Zurich Instruments continue building decode-and-control stacks for thousand-qubit machines.
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ALGORITHMS / CORE METHODSAlgorithm research has moved off near-term heuristics to phase estimation and utility-scale simulation, written for hardware that corrects its own errors.
  1. StandingResearch has moved off the near-term heuristic methods that error-prone hardware defeats, standard VQE among them.
  2. StandingThe focus is now deep utility-scale algorithms such as phase estimation and advanced quantum simulation.
  3. StandingThese are written for hardware that corrects its own errors, which every roadmap now assumes arrives.
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ENGINEERING / BENCHMARKS / FAULT TOLERANCEQuantinuum's 98-qubit Helios holds a Sandia-verified two-qubit infidelity of 7.9e-4, and Willow and Zuchongzhi 3.2 both run surface codes below threshold.7.9e-4Helios 2-qubit infidelity98Helios qubitsBelowsurface-code threshold
  1. 2026Quantinuum's 98-qubit Helios carries a Sandia-verified two-qubit infidelity of 7.9e-4 (Nature).
  2. StandingGoogle's Willow and USTC's Zuchongzhi 3.2 have both run surface codes below threshold.
  3. StandingAI-assisted decoders keep cutting logical error rates, so the yardstick is now logical quality held across deep circuits.
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APPLICATIONS / SCIENCE / INDUSTRIAL USE CASESExecutive Order 14412 sets US federal deadlines of 2030 for encryption and 2031 for authentication, with the NSA's procurement gate opening in January 2027.2030US encryption deadlineJan 27CNSA 2.0 gate2031authentication
  1. JuneExecutive Order 14412 sets US federal deadlines of 2030 for encryption and 2031 for authentication.
  2. Jan 2027The NSA's CNSA 2.0 procurement gate opens.
  3. JulyQuantinuum signs a fluid-dynamics agreement with Rolls-Royce, with engagements spanning logistics, finance and industrial design.
  4. StandingClassic McEliece became the first post-quantum algorithm to gain an ISO standard, and exact molecular simulation remains the long-term prize.
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