Quantum Quartet
Oxford Ionics Advances the UK’s Quantum Ambitions by Providing the National Quantum Computing Centre with a Groundbreaking Quartet Quantum Computer
Leading trapped-ion quantum computing company Oxford Ionics has formally announced the successful delivery and installation of their cutting-edge full-stack quantum computer, called Quartet, to the National Quantum Computing Centre (NQCC) in the United Kingdom. For the NQCC’s quantum computing testbeds effort and the larger UK quantum landscape, this significant development represents a significant advancement. The Quartet system has been placed in a prominent location within the NQCC’s Harwell campus’s dedicated quantum data center.
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As the UK’s national laboratory for quantum computing, the NQCC is essential to the advancement of cutting-edge applications research. It works closely with partners in a wide range of fields, including as government, business, and academia. In order to test and develop important commercial use cases for quantum computing, the NQCC partnered with Innovate UK to create the testbed initiative, which included financing for the provision of Oxford Ionics’ sophisticated quantum computer. This project demonstrates the UK’s dedication to hastening the effect and practical use of quantum technology. The Science and Technology Facilities Council and the Engineering and Physical Sciences Research Council, two prominent UK Research and Innovation research bodies, support the NQCC, with the former supplying the majority.
Technological Prowess: The Heart of Quartet
Fundamentally, Quartet is a trapped-ion, full-stack quantum computer that is set apart by Oxford Ionics’ own Electronic Qubit Control technology. Because it uses electronics rather than lasers to operate its qubits, this novel technology represents a substantial shift from traditional techniques. This architecture has the major benefit of integrating all the necessary components for trapping and controlling qubits onto a typical electrical chip, which can be produced using traditional semiconductor foundries.
This integration onto common chips is essential because it solves one of the biggest problems in quantum computing and offers previously unheard-of performance and scalability. This strategy has, in fact, led to Oxford Ionics becoming the world’s best-performing quantum platform, with impressive records for quantum states preparation and measurement (SPAM), single-qubit gate fidelity, and two-qubit gate fidelity. These performance parameters are essential markers of the processing capacity and dependability of a quantum computer.
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Future-Proofing Through Field-Upgradability
The field-upgradability of Oxford Ionics’ quantum computers is a key design characteristic that distinguishes them. This implies that the Quartet system already in place at the NQCC can be easily modified to meet the requirements of the best-performing systems in the organization. Only the credit card-sized Quantum Processor Unit (QPU) needs to be swapped out, making the operation incredibly simple. The NQCC will be able to take advantage of smooth upgrades to enhanced performance and computation power at previously unheard-of speeds with this capabilities, which is groundbreaking for quantum infrastructure and crucially doesn’t require any modifications to the existing infrastructure. The NQCC’s investment will continue to be at the forefront of quantum capabilities with this “future-proof” design.
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Strategic Research and National Quantum Missions
Beyond the original installation, Oxford Ionics and the NQCC continue to collaborate. As part of the UK’s Quantum Missions program, Quartet will serve as a foundation for important research and development initiatives. This expansive national initiative is committed to funding quantum computing initiatives that proactively seek to eliminate technological obstacles impeding the widespread commercialization and uptake of quantum technology. Oxford Ionics, together with consortium partners Riverlane and Bay Photonics, was chosen earlier this year for a Quantum Missions pilot as part of its Q-Surge project, which is evidence of its creative contributions. The project’s specific goal is to improve Quartet even further by adding 2D qubit connectivity, which should increase the system’s usefulness and capability for intricate applications.
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Leadership Perspectives on a Quantum Future
“The successful installation of the QUARTET trapped-ion quantum computer by Oxford Ionics marks a pivotal step forward in the NQCC’s quantum computing testbeds initiative,” said Dr. Michael Cuthbert, Director of the UK’s National Quantum Computing Centre, who was excited about the installation. The system’s patented architecture addresses the scalability issues associated with quantum computing. We can’t wait to begin testing and validating the system in order to create new applications and algorithms. His comments highlight the NQCC’s emphasis on both fundamental studies and real-world quantum computing applications.
Dr. Chris Ballance, co-founder and CEO of Oxford Ionics, echoed this opinion by pointing out the wider ramifications of Quartet’s use: “Setting up Quartet at the NQCC is a significant milestone for business as well as for opening the door to a quantum computing-powered future. Quartet guarantees that we have the processing capacity to address some of the most important problems facing the globe and is a major step toward the realization of commercially viable quantum computing. As the NQCC investigates and creates revolutionary applications that can have an impact on the actual world, we are honored to support them. His assertion highlights the technology’s strategic significance in tackling global issues and generating tangible effects.
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A Period of Significant Growth and Ambition for Oxford Ionics
For Oxford Ionics, this delivery to the NQCC marks the end of a phase of substantial expansion and strategic development. Dr. Ballance and Dr. Tom Harty co-founded the company in 2019, and it recently experienced a significant corporate transformation. The US quantum computing startup IonQ paid a hefty $1.08 billion to purchase Oxford Ionics in June 2025. By merging the assets of both companies, this acquisition portends a potent synergy within the quantum computing sector. The merged corporations have set very high goals for quantum advancement in the future. In 2026, they predict 256 physical qubit systems with 99.99 percent accuracy.
Quartet’s installation at the NQCC is a major step toward commercializing quantum computing. Quartet’s unique architecture, upgrade capabilities, government support, and recent corporate development position it to shape quantum computing in the UK and worldwide.
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