Researchers at Xanadu, a Canadian company specializing in photonic quantum computing, claim to have achieved quantum computational advantage with an experiment run on their cloud-accessible Borealis machine. The term “quantum advantage” (sometimes called quantum supremacy) refers to a situation in which a quantum machine carries out specific computational tasks that would be intractable for a classical computer. The latest experiment, which involves taking measurements that correspond to drawing a sample from a distribution, takes Xanadu’s Borealis 36 microseconds per sample, whereas the team estimate it would take 9000 years for the world’s fastest supercomputer to model the same experiment using the best known algorithms.
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