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Quantinuum's next-generation quantum computer with Microsoft's qubit virtualization system demonstrates that logical qubits have logical error rates 800 times better than physical error rates
LONDON AND BROOMFIELD, Colo., April 3, 2024 /PRNewswire/ -- Quantinuum, the world's largest integrated quantum computing company, together with Microsoft, has made a breakthrough in making fault-tolerant quantum computing a reality, by demonstrating the most reliable logical qubits with active syndrome extraction, an achievement previously believed to be years away from becoming a reality.
A collaboration between the Quantinuum team in the United States and the United Kingdom and the quantum computing team at Microsoft has created four logical qubits that have error rates 800 times lower than the corresponding physical error rates. More impressively, the joint team demonstrated the ability to run 14,000 independent instances of a quantum circuit without errors. Advances of this magnitude can significantly accelerate progress toward the ultimate goal of achieving universal, fault-tolerant quantum computing, potentially shortening timelines for addressing real-world problems and revolutionizing fields such as materials science and drug discovery.
The achievement is due to the industry-leading fidelity, scalability and flexibility of Quantinuum's 32-qubit H2 quantum processor, Powered by Honeywell, combined with Microsoft's highly innovative error correction capabilities. The joint team created four logical qubits using 30 of the 32 physical qubits available in H2, leading to the creation of what both companies bill as the "most reliable logical qubits." They also successfully demonstrated syndrome extraction, another critical milestone needed for fault-tolerant quantum computing. More information about the results available here.
"The result announced today further cements Quantinuum's position at the forefront of fault-tolerant universal quantum computing. Today's achievement was only possible using Quantinuum's H2 quantum computer, with its unrivaled two-qubit gate fidelities. 99.8%; the 32 qubits of our QCCD architecture; and qubit-to-qubit connectivity. Building on the exceptional performance of our current systems, we will continue to innovate to make universal fault-tolerant quantum computing a reality sooner than imagined " – explained Rajeeb Hazra, CEO of Quantinuum.
In the new era described by Microsoft as "Level 2 Resilient", quantum computing is able to address the problems caused by errors and can begin to address significant challenges, such as modeling the states of molecules and materials, simulation of systems in condensed matter physics and the exploration of solutions to problems in many fields. According to Microsoft's demanding criteria, the demonstration of multiple entangled logical qubits, in which the logical qubits outperform the physical qubits, marks a long-awaited transition to this second phase of quantum computing.
"This is an important advance for quantum computing. The collaboration between Quantinuum and Microsoft has been a crucial step forward for the industry and a critical milestone on the path towards hybrid classical-quantum supercomputing capable of transforming scientific discoveries" – he highlighted Dr. Krysta Svore, distinguished engineer and vice president of advanced quantum development for Microsoft Azure Quantum
"As a leader, we will continue to innovate faster than the competition, with hardware innovations and developing applications to take advantage of the new era of truly logical qubits. We will continue to ensure that our customers are the first to benefit from these and future advances. I am excited to see how leverage the reliability of quantum computing to deliver more powerful solutions than ever to their most challenging problems," said Ilyas Khan, vice president and product manager at Quantinuum.
About Quantinuum
Quantinuum, the world's largest integrated quantum company, is a pioneer in powerful quantum computers and advanced software solutions. Quantinuum's technology drives advances in materials discovery, cybersecurity and next-generation quantum AI. With nearly 500 employees, including more than 370 scientists and engineers, Quantinuum is leading the quantum computing revolution on every continent.
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