While quantum computers are already being used for research in chemistry, material science, and data security, most are still too small to be useful for large-scale applications. A study led by researchers at the University of California, Riverside, now shows how “scalable” quantum architectures—systems made up of many small chips working together as one powerful unit—can be made.
In the study, published as a letter in the journal Physical Review A, the researchers simulated realistic architectures and found that even imperfect links between quantum chips can still produce a functioning, fault-tolerant quantum system—a leap forward in scaling quantum hardware.
“Our work isn’t about inventing a new chip,” said Mohamed A...
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