Quantinuum and RIKEN Execute End-to-End Hybrid Quantum-HPC Chemistry on Fugaku and Reimei

quantumcomputingreport.com Nov 11, 2026

Quantinuum and RIKEN Execute End-to-End Hybrid Quantum-HPC Chemistry on Fugaku and Reimei

Curated by Shubham · TechCapsules · Nov 11, 2026

AI-summarised brief · reviewed before publication

Quantinuum and RIKEN linked Japan’s Fugaku supercomputer with Quantinuum’s Reimei trapped‑ion quantum processor to perform a hybrid quantum‑classical calculation of biomolecular excited states. The team used Fugaku to optimize molecular geometry and evaluate environmental energies, then applied TE‑QSCI on Reimei to treat the strongly correlated active site with a 16‑qubit active space. The hybrid workflow produced eigenstate fidelities above 0.99 and excitation energies within 0.03 eV of benchmarks, demonstrating coordinated job scheduling and error‑detected execution across a national supercomputing center.

💡 Why It Matters

· The collaboration shows that large‑scale classical supercomputers can now directly orchestrate quantum coprocessors, paving the way for practical quantum‑enhanced chemistry on existing high‑performance infrastructure.

Capsules Quantum Computing

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UK Unveils £189 Million Quantum Deployment Package Spanning Networking Testbeds, Commercialization, and…

The UK government announced a £189 million quantum package to move domestic quantum research into practical deployment. UKRI unveiled £35 million for networking testbeds, £12 million for the UK Quantum SuperConnector consortium, and £4.6 million for research infrastructure upgrades. The package ties into a £138 million cross‑government procurement fund, including £30 million from the Ministry of Defence, to secure early customer demand for quantum sensors and atomic clocks. The initiative builds on a decade of coordinated funding that produced 74 spin‑outs and 2,000 technical roles.

💡 By aligning research, commercialization, and procurement, the UK creates a seamless pipeline that could accelerate the nation’s entry into the global quantum economy and secure strategic advantages in defense and critical infrastructure.

thequantuminsider.com · Nov 11

QuiX Quantum Leads National Mission to Develop 100+ Qubit Photonic Quantum Computer

QuiX Quantum has been appointed leader of a national mission under Phase II of the PhotonDelta National Growth Fund to build a universal photonic quantum computer with more than 100 qubits. The three‑year programme, running from January 2026 to December 2028, unites the Dutch‑German firm with nine industrial and academic partners to deliver twelve hardware components across the photonic stack, including ultra‑low‑loss silicon‑nitride waveguides, quasi‑deterministic single‑photon sources, on‑chip photon‑number‑resolving detectors, sub‑10 ns control ASICs and manufacturable chip designs. The consortium will integrate these advances, track progress with shared KPIs, and produce a manufacturing strategy for 100‑plus‑qubit systems. The effort supports QuiX Quantum’s fault‑tolerant roadmap and aims to cement a European supply chain for large‑scale photonic quantum computing, positioning the Netherlands as a quantum technology hub.

💡 By delivering a domestically sourced 100‑qubit photonic processor, the mission gives Europe a rare chance to own critical quantum hardware rather than rely on overseas vendors.

quantumcomputingreport.com · Nov 11

Quantinuum, RIKEN, and SoftBank Partner to Advance Quantum-AI Supercomputing and Domestic Fault-Tolerant…

Quantinuum and RIKEN have expanded their memorandum of understanding to commercialize hybrid quantum‑AI supercomputing across Japan following the commissioning of the 56‑qubit System Model H2 upgrade to RIKEN’s on‑site “Reimei” trapped‑ion quantum computer. The partnership will involve Japanese universities and component makers to create a domestically produced fault‑tolerant quantum system, while a separate deal with SoftBank Corp. will link quantum hardware to commercial AI data centers. The three‑tier architecture, managed through Quantinuum Nexus, assigns classical modeling to Fugaku, tensor‑network and AI training to the ROQUO GPU cluster, and dense electronic‑correlation tasks to Reimei. Early validation under RIKEN’s Test User Program supported two research projects aligned with the U.S.–Japan $1 billion Genesis Mission. The roadmap envisions integrating Quantinuum’s QCCD trapped‑ion design with Japanese precision manufacturing and optical interconnects for enterprise AI workloads.

💡 It demonstrates Japan’s move to embed quantum processors directly into AI infrastructure, accelerating the transition from experimental labs to commercial applications.

thequantuminsider.com · Nov 10

Horizon Quantum Reports Q3 2026 Financial Results

Horizon Quantum Holdings reported a Q3 2026 net income of $33.4 million, driven largely by a $43.1 million non‑cash gain from warrant‑derivative remeasurement, while its operating loss widened to $10.5 million. Adjusted EBITDA remained a loss of $6.3 million, up from $3 million in Q3 2025. Cash and cash equivalents stood at $102.8 million. The company completed pulse‑level integration with OQC’s 32‑qubit Toshiko processor, introduced multiplexed characterization on a 100‑plus qubit device, and signed a non‑binding intent to acquire Entropica Labs for about $27 million in shares.

💡 The partnership with OQC and the new characterization protocol signal a tangible step toward scalable, hardware‑agnostic quantum software, potentially accelerating practical quantum applications. The acquisition intent could broaden Horizon’s expertise in error correction, positioning it to capture a larger share of the emerging quantum ecosystem.

thequantuminsider.com · Nov 10

Gartner Names IonQ a Market Shaper in Quantum Computing

IonQ was named a Market Shaper in Gartner’s first Emerging Market Quadrant for Quantum Computing, a ranking that highlights vendors proven to deliver and support commercial quantum systems. The recognition follows IonQ’s recent milestones, including reaching Stage C of DARPA’s Quantum Benchmarking Initiative, securing $7.5 million in follow‑on funding from the Air Force Research Laboratory, and deploying Superion 256 systems at institutions such as Florida International University and NVIDIA’s research center. The company cites the award as validation of its full‑stack platform and fault‑tolerant roadmap.

💡 The accolade signals IonQ’s growing influence in a nascent market, positioning it as a low‑risk, high‑impact player that can accelerate real‑world quantum adoption.

thequantuminsider.com · Nov 10

Commission on U.S. Quantum Primacy Urges Sustained Investment to Turn Quantum Discovery…

The Commission on U.S. Quantum Primacy (CUSP) released a preliminary report urging the United States to expand quantum leadership beyond research into deployment, manufacturing, and industrial scale. The report warns that China’s substantial public investment and manufacturing capacity could accelerate its quantum technology rollout faster than the U.S. It outlines priorities in sustained research funding, coordinated hardware and software development, post‑quantum security, foundry access, and workforce training, with a full implementation plan slated for spring 2027.

💡 The U.S. must translate laboratory breakthroughs into field‑ready, secure systems to maintain national security and economic competitiveness, lest China gain a decisive advantage in quantum infrastructure.