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Scientists at Toshiba Corp'sresearch center in Cambridge, England, said on Wednesday their Entangled Light Emitting Diode (ELED) opened a path to ultra-powerful semiconductor chips.
Quantum computers would in theory try out many possible solutions to a problem at once and should solve in seconds problems that take today's fastest machines years to crack.
But harnessing the weird powers of quantum physics -- which looks at the universe at the level of atoms, photons and other particles -- is easier said than done.
Now, though, Andrew Shields of Toshiba and colleagues believe they have a key tool for the job in the form of a simple-to-make device, which can be hooked up to a battery to produce entangled light as and when required.
"It's a big step because it means you can now start to integrate lots of devices on a single chip," Shields said.
So far, the Toshiba team haven't got to the stage of doing calculations, but Shields thinks basic quantum computing circuits using the technology could be ready in five years.
Quantum computers based on optical processes need a large number of entangled photons, where light particles are linked so that they exist in two possible states simultaneously -- something Albert Einstein described as "spooky."
Originally posted by UberL33t
Five years huh?