Presently, downloading of a single HD movie takes almost an hour. Researchers also dished that this newly developed technology of increasing the bandwidth will be fixed into existing broadband networks and users will not be able to replace them or buy a new one.

In another breakthrough that can make the Internet superfast and cheap, researchers have successfully increased the maximum power -- and therefore distance -- at which optical signals can be sent through optical fibres.

The advance has the potential to make the Internet superfast by increasing data transmission rates for the fibre optic cables -- which serve as the backbone of the Internet, cable, wireless and landline networks.

A long-standing roadblock to increasing data transmission rates in optical fibre has been that beyond a threshold power level, additional power surge irreparably distorts the information travelling in the fibre optic cable.

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