Optical chips are better.
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The optical chip is where researchers combine the light-emitting properties of indium phosphide and the optical routing capabilities of silicon into a single hybrid chip. When a voltage is applied to indium phosphide, light enters the silicon wafer's waveguide, producing a sustained laser beam that drives other silicon photonic devices. This silicon wafer-based laser technology could make photonics more widely used in computers, as large-scale silicon-based manufacturing techniques can dramatically reduce costs.