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Quantum computing

Quantum computing

QUANT-NET’s testbed innovations: reimagining the quantum network

23 Dec 2023

The QUANT-NET research consortium is building the first quantum network testbed for distributed quantum computing applications in the US. Joe McEntee visits Lawrence Berkeley National Laboratory (Berkeley Lab) in California to check out progress on the enabling quantum technologies

QUANT-NET researchers
Quantum engineering From left to right, QUANT-NET researchers Erhan Saglamyurek, Hartmut Häffner, Inder Monga and Wenji Wu demonstrate their ion-trap quantum processor, a key subsystem in the network testbed connecting Häffner’s UC Berkeley physics lab to Berkeley Lab. QUANT-NET is a broader collective effort, with other core contributions from Caltech’s Maria Spiropulu (polarization stabilization and quantum frequency conversion); UC Berkeley’s Alp Sipahigil and Berkeley Lab’s Thomas Schenkel (working jointly on silicon colour-centres as a source of single-photon qubits); the University of Innsbruck’s Tracy Northrup (focused on enhanced-efficiency ion traps); and Berkeley Lab’s Lavanya Ramakrishnan, Ezra Kissel and other team members who are contributing to real-time network control and orchestration software. (Courtesy: Bart Nagel Photography)
Today’s internet distributes classical bits and bytes of information over global, even interstella

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Joe McEntee is a consultant editor based in South Gloucestershire, UK
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