About
Oxford Instruments is a UK-based scientific instruments company founded in 1959 as the first commercial spin-out from Oxford University. It has become a leading provider of cryogenic systems essential for quantum computing, developing the Proteox family of dilution refrigerators. The ProteoxQX modular systems exceed 3 meters in height with scalable workspace for large quantum processing units, providing 25 µW cooling power at 20 mK temperatures and the I/O capacity needed for qubit scale-up. The company serves quantum computing companies including Oxford Quantum Circuits and Rigetti. It sold its NanoScience quantum-focused division to Quantum Design for £60 million to focus on other scientific instrument applications. In November 2025, Oxford Instruments announced participation in a quantum-AI data center initiative in New York City, contributing cryogenic systems and quantum enabling technologies to support quantum computing infrastructure for AI applications. Update 2026-05-24: Rigetti Computing purchased a PlasmaPro 100 Cobra atomic layer etch system from Oxford Instruments for its quantum foundry. Source: https://quantumzeitgeist.com/plasmapro-100-cobra-rigettis-ambitious/ Update 2025-06-10: Oxford Instruments sold its NanoScience quantum technology division to Quantum Design for £60 million. Source: https://quantumzeitgeist.com/oxford-instruments-sells-quantum-business-to-us-firm-amidst-results-delay-and-share-decline/
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| Quantum Focus | hardware |
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