First germanium laser could pave way for optical computers

One of the issues of current chip design is the excessive power needed to transport and store ever increasing amounts of data. A possible solution is to use optics not just for sending data, but also to store information and perform calculations, which would reduce heat dissipation and increase operating speeds. Disproving previous beliefs in the matter, MIT researchers have demonstrated the first laser built from germanium which can perform optical communications... and it's also cheap to manufacture.

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