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Alice & Bob demonstrate key error‑correction operations with cat qubits; logical error rate remains above threshold
Read More: Alice & Bob demonstrate key error‑correction operations with cat qubits; logical error rate remains above thresholdIn 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
Read More: Quantinuum hits 99.9995% logical fidelity on Helios, partly ahead of Sol targetsQuantinuum 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
Read More: Xanadu secures up to $10M in additional DARPA support as Stage B is extendedXanadu 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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A stock portfolio of publicly traded quantum computing companies based on Quantum Index’s proprietary company rankings. It tracks both company fundamentals and market valuations over time. Currently in beta.
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PsiQuantum appoints Atomico founder Niklas Zennström to board
Read More: PsiQuantum appoints Atomico founder Niklas Zennström to boardPsiQuantum has added Niklas Zennström, Skype co‑founder and Atomico founder and CEO, to its board as part of efforts to strengthen management for large‑scale deployment.
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Quanta Computer and Quantinuum to jointly develop hardware foundation for large-scale quantum computers
Read More: Quanta Computer and Quantinuum to jointly develop hardware foundation for large-scale quantum computersThe two companies have begun joint development of a hardware foundation for future Quantinuum quantum systems, aimed at enhancing modularity, manufacturability, and scalability.
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Xanadu and University of Alberta partner on quantum research to design photosensitizers
Read More: Xanadu and University of Alberta partner on quantum research to design photosensitizersThey will jointly research quantum algorithms and computational frameworks handling excited states and light–matter interactions for photosensitizers used in photodynamic therapy.
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Infleqtion Q2 2026 revenue up 116%, raises full-year outlook to $43M
Read More: Infleqtion Q2 2026 revenue up 116%, raises full-year outlook to $43MInfleqtion’s Q2 2026 revenue was $12.6 million. Operating losses widened, but the company maintained its target to reach 30 logical qubits within the year.
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IBM expands QOBLIB benchmark, aggregating over 2,000 optimization submissions
Read More: IBM expands QOBLIB benchmark, aggregating over 2,000 optimization submissionsQOBLIB, which compares quantum and classical optimization methods under common conditions, has been expanded through a published paper and the launch of a dedicated website.
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QuEra and Zapata Quantum partner to validate applications for fault-tolerant quantum computing
Read More: QuEra and Zapata Quantum partner to validate applications for fault-tolerant quantum computingQuEra and Zapata Quantum have partnered to design and validate use cases ahead of the commercialization of fault-tolerant quantum computers.
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D-Wave awarded up to CAD 300,000 from NRC to develop Zephyr graph‑minor embedding for Advantage2
Read More: D-Wave awarded up to CAD 300,000 from NRC to develop Zephyr graph‑minor embedding for Advantage2D-Wave has received up to CAD 300,000 from Canada’s NRC to develop embedding algorithms for Advantage2’s Zephyr topology. Results are planned for integration into the Ocean SDK.
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Quantinuum Q2 2026 revenue up 279% to $8M; Helios shows ‘nearly five-nines’ fidelity
Read More: Quantinuum Q2 2026 revenue up 279% to $8M; Helios shows ‘nearly five-nines’ fidelityQuantinuum reported $8 million in revenue for Q2 2026. While GAAP net loss widened, the company also disclosed Helios’ logical fidelity and partnerships with Oracle.
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Quantinuum and Oracle to deliver Helios quantum services on Oracle Cloud Infrastructure
Read More: Quantinuum and Oracle to deliver Helios quantum services on Oracle Cloud InfrastructureQuantinuum will install its trapped-ion quantum computer Helios in OCI, offering a hybrid computing environment that combines HPC and GPUs with quantum processing.
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Davidson and Strangeworks launch PoC comparing classical, quantum‑inspired and quantum optimization for defense
Read More: Davidson and Strangeworks launch PoC comparing classical, quantum‑inspired and quantum optimization for defenseThey will begin a joint proof of concept comparing classical computing, quantum‑inspired computing, and quantum computing for defense logistics, resource allocation and related decisions.
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Q-CTRL and Airbus test GPS‑independent quantum navigation system for aircraft
Read More: Q-CTRL and Airbus test GPS‑independent quantum navigation system for aircraftEvaluating Ironstone Opal—a quantum sensor system that measures regional magnetic and gravity fields for aircraft. Aims to provide alternative positioning during GPS disruption.
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Eaton selects Infleqtion for U.S. grid resilience study comparing quantum and classical methods
Read More: Eaton selects Infleqtion for U.S. grid resilience study comparing quantum and classical methodsInfleqtion will join a multi-year program applying quantum computing to U.S. grid contingency analysis. Eaton will lead the effort, comparing quantum and classical approaches and estimating required resources.