IBM Advances the Use of Light Instead of Wires for Chips

IBM researchers from the TJ Watson Research Center reached a significant milestone in the quest to send information between the “brains” on a chip using pulses of light through silicon instead of electrical signals on copper wires. The breakthrough — a significant advancement in the field of “Silicon Nanophotonics” — uses pulses of light rather than electrical wires to transmit information between different processors on a single chip, significantly reducing cost, energy and heat while …

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