Scientists have developed a new form of broadband diffractive graphene orbital angular momentum (OAM) beam which could revolutionize communications technology. This new technology could significantly improve the speed and efficiency of wireless communication, particularly in areas where optical fiber networks are not available. The new beam is generated by a single nanostructured graphene sheet, which is capable of producing multiple OAM beams simultaneously. This could enable multiple data streams to be transmitted over the same frequency, potentially doubling or even tripling the data rate of current wireless communications.

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source: Phys.org