Researchers at Facebook’s Connectivity Lab have developed a new detector that could be used for providing internet connectivity via lasers. Current wired communications networks make use of lasers to carry data through optical fibers, but wireless communication relies on radio frequencies or microwaves. The technology developed by Facebook’s Connectivity lab may soon allow for light-based wireless communication. This type of communication (also called free-space optical communications) will use lasers to transmit data across the atmosphere and potentially offer high bandwidth and data capacity. However, one of the primary challenges facing this technology is how to precisely aim a laser at a small light detector across large distances.
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