A new innovative technology could allow 100-times-faster internet, by harnessing twisted light beams to carry more data and process it faster.
Optical fibres have become very important in high-speed communication, such as cable TV and high-speed broadband services. Pulses of light are sent down bundles of optical fibres. Fibre optic cables are able to carry more signals than traditional copper cable telephone lines.
Hence, broadband fiber-optics carry information on pulses of light, at the speed of light, through optical fibers. But the way the light is encoded at one end and processed at the other end, affects data speeds.
This world-first nanophotonic device, recently unveiled in Nature Communications, encodes more data and processes it much faster than conventional fiber optics by using a special form of ‘twisted’ light.
Dr Haoran Ren from RMIT’s School of Science, who was the co-lead author of the paper, said the tiny nanophotonic device they have built for reading twisted light is the missing key required to unlock super-fast, ultra-broadband communications.
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