NTT advances quantum crypto key distribution

Tuesday, 26 July 2005, 11:41 AM EST

In what could be a step forward in the development of quantum cryptography systems, a Japanese laboratory has demonstrated that it can send quantum keys through an optical switch designed for normal optical communications.

The system the lab has developed allows the keys to be switched to different paths at data rates and at distances that could prove useful for companies wanting to send keys to different places, and the technology could be commercialised two years from now, the lab said Monday.

By Paul Kallender at Computerworld.

[ Read more ]




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