"Optical communication uses the extraordinary speed of light as the signal, but right now it's still controlled and limited by electrical signaling at the end," said Yun-shik Lee, an associate professor in the OSU Department of Physics. "Electrons and wires are too slow, they're a bottleneck. The future is in optical switching, in which wires are replaced by emitters and detectors that can function at terahertz speeds."
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