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Say Goodbye To Slow Internet —Researchers

Fibre optic broadband could become 100 times faster by harnessing twisted light beams to carry more data and process it more efficiently.

Internet connections could soon be made 100 times quicker thanks to research that uses light that has been twisted into a spiral.

Researchers claim it could be easily applied to existing telecommunications networks and significantly boost efficiency.

Fibre optic cables currently require light to be a specific colour or organised so the light travels either horizontally or vertically.

By using light that has been twisted into a spiral the cables can carry far more information.

Current state-of-the-art fibre-optic communications use only a fraction of light’s actual capacity by carrying data on the colour spectrum.

Technology is emerging which make use of the oscillation, or shape, of light waves instead to increase bandwidth by using light which is invisible to humans.

The method for improved internet speed uses light waves that have been twisted into a spiral to increase the level of ‘orbital angular momentum’ (OAM), or spin.

This creates a third dimension for the information to travel through which is less restrictive than previous methods.

‘It’s like DNA, if you look at the double helix spiral,’ said Min Gu from RMIT University.

‘The more you can use angular momentum the more information you can carry.’

Professor Gu and his team were the first to miniaturise the building of a receptor that can detect and decipher the information from the new form of fibre optics.

Previous attempts were the size of a dining table but the latest effort has been shrunk drastically and is now only the width of a human hair.

 

WHAT IS FIBRE OPTIC BROADBAND?

Fibre optic cables involve tiny tubes that are about as thick as a human hair and are reflective on the inside.

They transfer information by sending flashes of light through the tubes.

This bounces off the reflective walls and along the cable.

These flashes of data are then received and interpreted at the other end.

 

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