Humble LEDs power quantum computing breakthrough - 0 views
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What the Toshiba and Cavendish teams have managed to do is simply to make the production of those all-important photons simple enough that the process could happen outside a physics lab.
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British scientists have come up with a simple way to generate the entangled photons needed by quantum computers using a cheap light emitting diode (LED) powered by electrical voltage. The optical quantum computer is powerful enough to solve problems so far intractable using conventional digital logic, but requires a large number of entangled photons.