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China’s 100 GHz light-powered chip shatters speed record in computing
Instead of using electronic oscillators to keep internal time, these chips run photons around a racecourse-like circuit that runs at the speed of light.
From the smartphone, you might be reading this on to artificial intelligence (AI) – powered chatbots; everything needs a processor that runs various functions in parallel to make the device work. According to Chang Lin, an assistant professor at the Institute of Information and Communication Technology at Peking University, conventional chips use electronic oscillators to generate clock signals. The researchers developed an “on-chip microcomb” that can synthesize both single frequency and wideband signals, with the latter providing reference clocks for different electronic components in the system.
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