Germanium Diodes Mean Progress Toward Silicon-Chip Lasers

Teams at Stanford and MIT have each reported getting strong light signals from germanium-based diodes on silicon at room temperature. Engineers have long sought to do this because, with further refinement into lasers, such diodes would allow for optical interconnects on chips. Optical interconnects could operate much faster and with less power than electrical (metal) ones that are becoming bottlenecks on current chips — via Slashdot

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