Urchin writes "Shor's quantum algorithm, which offers a way to crack the commonly-used RSA encryption algorithm, has been demonstrated on a silicon chip for the first time. The algorithm was first demonstrated on large tabletop arrays 3 years ago, but the photonic quantum circuit can now be printed relatively easily onto a silicon chip just 26 mm long. You can see the abstract from the team's academic paper in the journal Science; the full text requires a subscription."
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