Researchers say we’re more than a decade away from realizing a full-scale quantum computer
The University of Waterloo last month announced the creation of a minuscule device – so tiny it can fit more than a million times over on a grain of sugar – that twisted and expanded neutron beams into 10-centimetre-wide doughnut shapes.
The potential solutions are highly complex. Building the machine does not follow a standard set of instructions. Over the years researchers in different countries – including Canada, the United States, Germany, Australia, Japan and China – have been looking at various quantum computing platforms based on either trapped atoms, trapped ions, superconducting circuits or nanoscale spintronics.
Despite the hurdles, a number of companies have taken a figurative quantum leap and built small-scale machines. IBM counts 20 superconductor-based quantum systems to date and it recently released its latest model, called Osprey. At 433 qubits, it’s the world’s biggest quantum computer. “We are seeing particularly compelling use cases across a wide variety of industries, including financial services, manufacturing, logistics, retail and life sciences,” says Murray Thom, vice-president of product management at D-Wave. “Our customers are seeing value right now in quantum hybrid applications from peptide design to employee scheduling to shipping container logistics to financial risk reduction.
Michele Mosca, one of IQC’s founders, says the answer to the question of “are we there yet” depends on the respondent’s definition of a quantum computer.
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