D-Wave partners with LG CNS to advance quantum optimization; solver choice and vendor dependence remain concerns
D-Wave and LG CNS will collaborate to develop and deploy enterprise optimization applications using quantum annealing.
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Pasqal observes unexpectedly slow relaxation on 256‑qubit neutral‑atom processor, raising validation challenges
Pasqal’s neutral‑atom quantum processor observed much slower relaxation than theoretical predictions in a two‑dimensional quantum magnet. The results are published as a preprint.
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Nord Quantique secures $10M DARPA Stage B extension to continue evaluating bosonic quantum error correction
Nord Quantique has won additional DARPA funding under the Quantum Benchmarking Initiative to continue evaluating and developing its bosonic quantum error‑correction approach.
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Intel to acquire quantum software firm Classiq in reported $2.3B move to build full‑stack quantum business
Intel has announced an agreement to acquire Israeli quantum software firm Classiq. Reports put the deal at about $2.3 billion as Intel aims to create a full‑stack quantum computing business spanning hardware and software.
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IBM demonstrates 99% quantum state-transfer fidelity between processors, advancing modular FTQC
IBM connected two superconducting quantum processors with four l-couplers, demonstrating an average 99% quantum state-transfer fidelity.
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IonQ wins $7.5M follow-on from AFRL to advance real-world quantum network operations
IonQ has received $7.5 million in follow-on funding from the U.S. Air Force Research Laboratory to expand its quantum network research infrastructure connecting heterogeneous quantum devices.
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2026 Q3 results roundup: nine leading quantum computing firms’ schedules, performance, key takeaways
Quarterly results for six leading quantum-computing companies concentrate in early November 2026. This roundup lists announcement dates for Quantinuum, IQM, QCi, D-Wave, Rigetti and Xanadu, and explains key points to watch such as revenue, orders and cash positions.
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QunaSys validates ~319M‑gate, 28‑qubit QPE circuit on 1,024 H100 GPUs, achieves chemical accuracy
QunaSys simulated a quantum phase estimation circuit on a large-scale GPU cluster and achieved chemical accuracy for a four‑hydrogen model.
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QunaSys expands non-quantum R&D support business in partnership with Nippon Zeon
QunaSys and Nippon Zeon have signed a business partnership to combine materials development expertise with mathematical modeling techniques to support R&D decision-making.
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JIJ and Mitsubishi Electric to test quantum–classical linear solver for thermal-fluid analysis
They will evaluate the performance and technical challenges of a solver that combines quantum computing and HPC for linear equations in thermal-fluid analysis.
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OptQC proposes modular photonic FTQC separating error-correction resources from logical operations
OptQC has published an arXiv paper proposing a photonic quantum-computing architecture that separates the offline resource-generation unit for error correction from the online computation unit.
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QCi unveils Dirac-3S optical optimizer for ~10,000 variables, practicality questioned
Quantum Computing Inc. announced an expanded version of Dirac-3. It increases the problem size to 9,980 variables and claims to outperform classical methods on the standard max‑clique benchmark.
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IQM to install Madrid’s first quantum computer, but 5‑qubit Spark’s research and commercial value questioned
An IQM Spark will be installed at the Polytechnic University of Madrid to support universities, hospitals, research centers and startups in accessing a physical quantum device.
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IBM expands Qiskit compiler foundation in v2.6, intensifying competition with Classiq
IBM has released Qiskit SDK v2.6. It enables custom compiler paths via a C API, QPY circuit serialization, and custom quantum operations.
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Qblox demonstrates low-latency NVQLink connection to NVIDIA DGX Spark, expands control platform after Riverlane QEC demo
Qblox integrated an NVIDIA DGX Spark with its quantum system controller via NVQLink, incorporating GPUs into the quantum control real-time loop.
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SQC cuts QPU screening from 3 hours to 1 with NVIDIA Ising Calibration
Silicon Quantum Computing automated QPU measurement and calibration, streamlining prototype cycles for atom-scale semiconductor chips.
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Universal Quantum refines decoding for error correction, cuts logical error rate up to 15-fold
They developed a method to iteratively correct correlated errors arising in cross-logical-qubit operations for trapped-ion systems, and compared logical error rates in large-scale simulations.
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Alice & Bob demonstrate key error‑correction operations with cat qubits; logical error rate remains above threshold
In the first phase of France’s PROQCIMA program, they tested cat‑qubit CNOT gates and a distance‑3 repetition code on hardware. The logical error rate remains above the error‑correction threshold.
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Quantinuum hits 99.9995% logical fidelity on Helios, partly ahead of Sol targets
Quantinuum recorded five logical errors per one million operations on its trapped‑ion quantum computer Helios using the color code.
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Xanadu secures up to $10M in additional DARPA support as Stage B is extended
Xanadu has received provisional approval for up to $10 million in additional funding under DARPA’s Quantum Benchmarking Initiative, accelerating R&D on photonic quantum computers.
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IonQ to deploy Superion 256 at University of Cambridge, expanding university quantum ecosystem
IonQ and the University of Cambridge have opened a quantum research center. They will pursue nine joint research projects and plan to deploy a 256-qubit machine and an entanglement-distribution quantum network.
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Google demonstrates magic-state cultivation on Willow, cutting logical errors ~40× and achieving 99.99% T-state fidelity
Google Quantum AI demonstrated magic-state cultivation on the Willow quantum processor, achieving 99.99% logical fidelity for T states.
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D-Wave installs Advantage2 in Italy under €10 million deal to accelerate European rollout
An Advantage2 with over 4,400 qubits has been delivered to northern Italy. Once installed, it will be available via the cloud to European research institutions and companies.
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Diraq says commercial quantum value should be measured by cost per logical operation
Diraq says quantum computers should be evaluated not by qubit count but by logical-operation throughput and cost per operation.
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Riverlane accelerates QEC decoder recalibration 65× on NVIDIA GPUs, halves logical error rate
Riverlane re‑calibrated QEC decoder weights on GPUs, speeding a surface‑code training epoch 65× versus a single CPU core.
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Classiq to open Romania regional HQ with FreeYa Mind Campus, leveraging IBM Quantum hub
Classiq and FreeYa Mind Campus will establish a hub in Iași, Romania combining quantum hardware, a development platform, and education.
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Infleqtion to develop deployable quantum RF direction-finding in UK, aiming to reduce large antenna reliance
Infleqtion will use £9 million from Innovate UK to advance testing of its quantum RF direction-finding product Quantum Spectrum-DF in operational environments.
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D-Wave extends multi‑year manufacturing deal with IonQ‑owned SkyWater, highlighting shared quantum foundry infrastructure
D-Wave and SkyWater have signed a multi‑year agreement to continue developing and manufacturing specialized semiconductor processes for superconducting quantum processors.
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Alice & Bob test LDPC‑cat quantum error correction on NVIDIA GPUs, raising classical‑compute questions for cat qubit competitiveness
Alice & Bob performed a proof‑of‑concept decoding of LDPC‑cat codes on a GPU via NVIDIA NVQLink. The test used synthetic data and did not achieve real‑time decoding.
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IonQ to acquire Elisity for up to $1.3 billion, underscoring capital-driven M&A strategy
IonQ has signed a definitive agreement to acquire Elisity. It plans to combine zero-trust foundations with post-quantum cryptography and quantum key distribution to expand security offerings for enterprise and government customers.
