Since then, values of publicly traded quantum computing developers Rigetti Computing, IonQ Inc. and Canada’s D-Wave Quantum Inc. have crashed. That means that, on paper, Xanadu is now one of the most highly valued among the crop of companies trying to develop processors that derive their power by harnessing the quantum physics properties of subatomic particles.
“We think in the long run there is potential for a much larger outcome than the valuation we’ve invested at,” she said. “Xanadu has scaled efficiently and so this is a reasonable valuation.” In June, Xanadu revealed its machine achieved “quantum advantage” – which means it delivered a result beyond the practical reach of a conventional computer system. It provided a series of numbers within a specified range of probability in 36 millionths of a second in an operation that would have taken the world’s most powerful supercomputers more than 9,000 years to match. Google was the first to demonstrate quantum advantage with its computer in 2019.
Industry players believe quantum computers could some day help with drug discovery, materials science, financial risk modelling and optimization exercises such as traffic management. One challenge is developing enough “qubits” – entangled pulses analogous to 1s and 0s in a conventional computer, but more versatile because they hold a mix of values – to correct for errors that creep into a quantum system. The magic number, Mr. Weedbrook, is one million qubits.
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