For the First Time Ever, Quantinuum’s New H2 Quantum Computer Has Created Non-Abelian Topological Quantum Matter and Braided its Anyons
The controlled creation and manipulation of non-Abelian anyons leading to topological qubits represents a significant step towards universal fault-tolerant quantum computing
Broomfield, Colorado, May 9th, 2023 — Quantinuum is proud and excited to announce this significant step towards fault-tolerant quantum computing. This achievement has been uniquely enabled by the release of Quantinuum’s System Model H2 - the highest performing quantum computer ever built.
The official launch of Quantinuum’s H2 quantum processor, Powered by Honeywell, follows extensive pre-launch work with a variety of global partners and was essential to the controlled creation and manipulation of non-Abelian anyons. The precise control of non-Abelian anyons has been long held as the path to using topological qubits for a fault-tolerant quantum computer.
Tony Uttley, President and COO of Quantinuum, stated “With our second-generation system, we are entering a new phase of quantum computing. H2 highlights the opportunity to achieve valuable outcomes that are only possible with a quantum computer. The development of the H2 processor is also a critical step in moving towards universal fault-tolerant quantum computing.”
He added, “This demonstration is a beautiful proof point in the power of our H-Series hardware roadmap and reinforces our primary purpose which is to enable our customers to tackle problems that were previously beyond the reach of classical computers. The implications for society are significant and we are excited to see how this technology truly changes the world."
One of the first experiments conducted on H2 by scientists from Quantinuum, in collaboration with researchers from Harvard University and Caltech, demonstrated a new state of matter, a non-Abelian topologically ordered state. This is an area of expertise that has been pursued in “stealth mode” for some years within Quantinuum, with the core team based in Munich and led by Dr. Henrik Dreyer.
Due to the differentiating features and precision control of the H2 processor, the topological state (that is essentially a qubit with limited gate capacity) was created in a way where its properties could be precisely controlled in real-time, demonstrating the creation, braiding and annihilation (measurement) of non-Abelian anyons.
The results, which were published today in a pre-print of a detailed scientific paper that has been made available on Nature, details Quantinuum’s work. This work opens up exciting new fields of research within condensed matter physics, which would have been impossible using a classical computer alone. Together with other QEC codes (found here and here), we have demonstrated, this achievement shows that it is only a matter of time until the Quantinuum hardware demonstrates the best path to fault-tolerance.
“Fault-tolerant quantum computing is our ultimate aim. Our world leadership in quantum computing continues to be showcased and proven by real advances, and the creation and manipulation of non-Abelian anyons to create topological qubits is another example that when incredible tools are given to brilliant people, they will find something amazing to do with them,” said Ilyas Khan, Founder and Chief Product Officer at Quantinuum. “This could well be a transistor moment for the quantum computing industry – and the fact that we have used a quantum computer as the machine tool for building topological qubits that are a significant step towards fault-tolerant quantum computing is further testimony to our long-held belief that quantum systems are best explored and created by other quantum systems. This is precisely what Feynman anticipated in his now famous remarks that are so often quoted as foundations for quantum computing.”
He added, “We are looking forward to building on this critical breakthrough. These are exciting times ahead for the whole industry and we have some further milestones that we can’t wait to share with the world.”
Innovations in H2
The H2 features initially include 32 fully-connected, high-fidelity qubits and an all-new architecture that advances the System Model H1’s linear design (with a new ion trap whose oval shape resembles a “racetrack”). Quantinuum showcased the H2’s capability by demonstrating a 32-qubit GHZ state (a non-classical state with all 32 qubits globally entangled), the largest on record.
The unique “racetrack” design of the System Model H2 enables all-to-all connectivity between qubits, meaning that every qubit in the H2 can directly be pairwise entangled with any other qubit in the system. Near-term doing so reduces the overall errors in algorithms, and long term opens up additional opportunities for new, more efficient error correcting codes – both critical for continuing to accelerate the capabilities of quantum computing. When combined with the demonstration of controlled non-Abelian anyons, the integrated achievement highlights an important step in topological quantum information storage and processing.
Additionally, the new design is a powerful step towards showing the scaling potential of ion-trap devices. Not only is H2 a demonstration of the scaling power of ion traps in the quantum charge coupled device (QCCD) architecture: showing the ability to simultaneously scale qubit number while maintaining performance, it also contains new technologies that pave the way for further scaling in subsequent generations. Similar to the first-generation systems, H2 is designed to accommodate future upgrades over its product lifecycle, meaning that qubit number and qubit quality will both be improved upon.
Built on the proven foundations of Quantinuum’s H-Series, the System Model H2, includes numerous hallmark features that collectively set it apart from other types of quantum computers: all-to-all connectivity, qubit reuse, mid-circuit measurement with conditional logic, industry leading high-fidelity qubit operations, and long coherence times. Additionally, the impressive performance gains of the System Model H1 to achieve repeatedly increasing Quantum Volume (QV) records is expected to continue with H2. H2 launches with a Quantum Volume 65,536 surpassing the last record announced using H1-1 in February of this year.
Using the H2 Today
Besides the headline breakthrough, the H2 has already been active in experimental studies by a range of organizations and companies, with notable results:
- Global Technology Applied Research at JPMorgan Chase has published a scholarly paper on the quantum optimization algorithm design for portfolio optimization, with numerical results successfully validated on H2 during early access.
- Quantinuum’s machine learning team demonstrated a new heuristic optimization routine that can solve optimization problems with minimal quantum resources.
These recent studies are available in individual technical papers here. A separate published paper describing the H2 features, benchmarking, and comparisons to other hardware, along with details on world record entanglement, can be found here. All technical papers will be submitted to the scientific peer review process.
The H2 is available now through cloud-based access from Quantinuum and will be available through Microsoft Azure Quantum beginning in June. Additionally, a noise-informed emulator of H2 is made possible through NVIDIA’s cuQuantum SDK of optimized libraries and tools, which help accelerate quantum computing simulation workflows.
Dr. Rajeeb (Raj) Hazra, CEO of Quantinuum said, “For anyone who thought that quantum computers that are able to push forward the boundaries of human knowledge and scientific progress are still in the far distance, today marks a turning point. A world leading team of scientists have used Quantinuum’s H2 quantum computer to achieve something that was previously not possible.” He went on to comment, “The H2 provides a breakaway moment for Quantinuum. Our second-generation quantum computer powered by the H2 quantum processor and associated software, delivers the industry's best performance today, while laying the groundwork for significantly accelerating the path for fault-tolerant quantum computing.”
About Quantinuum
Quantinuum is the world’s largest standalone quantum computing company, formed by the combination of Honeywell Quantum Solutions’ world-leading hardware and Cambridge Quantum’s class-leading middleware and applications. Science-led and enterprise-driven, Quantinuum accelerates quantum computing and the development of applications across chemistry, cybersecurity, finance and optimization. Its focus is to create scalable and commercial quantum solutions to solve the world’s most pressing problems in fields such as energy, logistics, climate change, and health. The company employs over 480 individuals, including 350+ scientists and engineers, at eight sites across the United States, Europe, and Japan. For more information, please visit www.quantinuum.com.
The Honeywell trademark is used under license from Honeywell International Inc. Honeywell makes no representations or warranties with respect to this service.
About Quantinuum
Quantinuum, the world’s largest integrated quantum company, pioneers powerful quantum computers and advanced software solutions. Quantinuum’s technology drives breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI. With over 500 employees, including 370+ scientists and engineers, Quantinuum leads the quantum computing revolution across continents.
BROOMFIELD, Colo., September 11, 2026 - Quantinuum Inc. (Nasdaq: QNT) (the “Company”), a leading quantum computing company, today announced that members of its management team will participate in the Piper Sandler 5th Annual Growth Frontiers Conference, taking place September 14–16, 2026, in Nashville, Tennessee.
Quantinuum will participate in a fireside chat and host one-on-one meetings with investors during the conference.
About Quantinuum
Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of trapped-ion based quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry’s highest accuracy levels based on average two-qubit gate fidelity. Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets, as well as academic and research institutions globally.
The company has a global workforce of approximately 800 employees, including top scientists and researchers. Over 70% of its technology team holds PhDs or Master’s degrees. Quantinuum’s headquarters is in Broomfield, Colorado, with additional facilities across the United States, United Kingdom, Germany, Japan, Qatar, and Singapore.
Contacts
Investor & Media Contact
Shub Mukherjee - Investor Contact - investors@quantinuum.com
Aaron Sorenson - Media Contact - press@quantinuum.com
- The federal funding supports critical R&D and U.S. quantum semiconductor manufacturing capabilities needed to scale fault-tolerant trapped-ion quantum computing.
- Company partnering with GlobalFoundries to fabricate next-gen ion traps and control electronics, and Monarch Quantum to develop and manufacture reliable lasers and optical components.
Washington, D.C. – September 8, 2026 – Quantinuum (Nasdaq: QNT), a leading quantum computing company, today announced it has finalized an agreement with the U.S. Department of Commerce’s CHIPS Research and Development Office for $100 million in federal funding deployed through the CHIPS and Science Act. The award, which follows a letter of intent announced in May, supports R&D and U.S. quantum semiconductor manufacturing capabilities needed to deploy large-scale, fault-tolerant trapped-ion quantum computers.
Quantinuum, which was the only company with a trapped-ion based architecture to be awarded CHIPS R&D funding, develops the world’s most accurate commercial1 computers with industry-leading error correction fidelity.2 The company leverages established semiconductor manufacturing processes to help ensure reliability, repeatability, and scalability of the company’s current and future quantum computers.
“This award is a validation of Quantinuum’s leadership in trapped-ion quantum computing," said Dr. Rajeeb Hazra, President and CEO of Quantinuum. “Together with our domestic partners, we are building the technology and supply-chain foundation needed to scale fault-tolerant systems and strengthen America's leadership in this strategically important field.”
The award will support R&D that the company expects to help strengthen and diversify its supply chain, adding onshore partners GlobalFoundries and Monarch Quantum. GlobalFoundries will be one of several of Quantinuum’s foundries enlisted to fabricate its next-generation ion traps and other electronics, specifically focused on using 300mm wafer technology; Monarch Quantum plans to develop and manufacture scalable, reliable lasers and optical components required for Quantinuum’s trapped-ion systems.
“As quantum computing moves closer to commercial scale, manufacturing will be critical to unlocking its full potential,” said Tim Breen, CEO of GlobalFoundries. “GlobalFoundries is proud to partner with Quantinuum to help scale their trapped-ion technology. By bringing our expertise in high-volume, differentiated semiconductor manufacturing, we're helping create a path to more scalable, reliable quantum hardware and advancing the next generation of American innovation.”
“The road to large-scale, trapped-ion quantum computers relies on moving away from complex, sprawling optical setups to scalable, reliable integrated photonics engines," said Dr. Timothy Day, CEO of Monarch Quantum. "We are honored to expand our partnership with Quantinuum to advance their hardware roadmap and to help strengthen U.S. leadership in quantum computing manufacturing and supply chain resilience.”
Together, these efforts are intended to reduce system complexity and improve component robustness, reliability, and reproducibility, ultimately supporting the continued scaling of trapped-ion quantum computers, while strengthening domestic capability across critical photonics and semiconductor manufacturing.
About Quantinuum
Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of trapped-ion based quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry’s highest accuracy levels based on average two-qubit gate fidelity.3 Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets, as well as academic and research institutions globally. The company has a global workforce of over 800 employees, including top scientists and researchers. Quantinuum’s headquarters is in Broomfield, Colorado, with additional facilities across the United States, United Kingdom, Germany, Japan, Qatar, and Singapore. For more information, please visit www.quantinuum.com.
Cautionary Statement Concerning Forward-Looking Statements
This press release contains certain statements that may be deemed “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include all statements that are not historical facts. The words “anticipate,” “assume,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “future,” “will,” “seek,” “foreseeable,” the negative version of these words, or similar terms and phrases are intended to identify forward-looking statements. Such statements are based on certain assumptions and assessments made by our management in light of their experience and their perception of historical trends, current economic and industry conditions, expected future developments and other factors they believe to be appropriate. The forward-looking statements included in this release are also subject to a number of material risks and uncertainties, including but not limited to economic, competitive, governmental, and technological factors affecting our operations, markets, products, services and prices. New factors emerge from time to time, and it is not possible for Quantinuum to predict all such factors. For additional information on these and other risks that could affect Quantinuum’s forward-looking statements, see Quantinuum’s risk factors discussed in its filings with the U.S. Securities and Exchange Commission, including its Quarterly Report on Form 10-Q for the period ended June 30, 2026, as such risk factors may be updated from time to time. Any forward-looking statement speaks only as of the date on which it is made, and, except as required by law, Quantinuum does not undertake any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.
1 Based on physical two-qubit gate fidelity as of December 31, 2025, according to the 2025 Ransford et al. study.
2 As of February 25, 2026, according to the 2026 Dasu et al. study.
3 As of December 31, 2025.
BROOMFIELD, Colo., September 4, 2026 - Quantinuum Inc. (Nasdaq: QNT) (the “Company”), a leading quantum computing company, today announced that members of its management team will participate in the Bernstein 23rd Annual Pan-European Strategic Decisions Conference, taking place September 9–10, 2026, in London, United Kingdom.
Quantinuum will participate in a fireside chat and host one-on-one meetings with investors during the conference.
About Quantinuum
Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of trapped-ion based quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry’s highest accuracy levels based on average two-qubit gate fidelity. Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets, as well as academic and research institutions globally.
The company has a global workforce of approximately 800 employees, including top scientists and researchers. Over 70% of its technology team holds PhDs or Master’s degrees. Quantinuum’s headquarters is in Broomfield, Colorado, with additional facilities across the United States, United Kingdom, Germany, Japan, Qatar, and Singapore.
Contacts
Investor & Media Contact
Shub Mukherjee - Investor Contact - investors@quantinuum.com
Aaron Sorenson - Media Contact - press@quantinuum.com