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A team of physicists in China claimed it has demonstrated a “quantum advantage,” introducing a light-driven quantum computer capable of performing a computation that would take a classic supercomputer an estimated 600 million years to resolve. The team’s photonic quantum computer ultimately took several minutes to complete the boson sampling problem — a computation originally devised in 2011.
The result follows Google’s announcement last year that its device dubbed Sycamore was the first to achieve a clear quantum advantage. Where chip-based superconducting circuits powered Sycamore, though, the Heifei, China-based team relied on photons delivered by a pump laser.
To resolve the boson sampling…READ MORE