Scientists report broadband breakthrough

Researchers say they have developed a low-voltage device that could lead to quantum leaps in cable TV transmission capacity, satellite communications, and optical network switching.

Described in the journal Science, the experimental device, known as an "opto-chip", is a new type of modulator capable of switching signals at rates of up to 100GB per second.

A single microscopic particle of the opto-chip material could handle all of a major corporation's telephone, computer, television and satellite traffic, researchers said.

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