Photonic integrated circuits (PICs) use photons as information carriers and are expected to solve the bottleneck problems of microelectronic chips in terms of speed, power consumption and integration density with their advantages of ultra-high transmission speed, low delay, and anti-electromagnetic crosstalk. They are of key significance to promoting breakthroughs in microelectronics technology, quantum information technology, and micro-sensing technology in the “post-Moore era”.
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Source: Phys.org