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On May 21, an international research collaboration led by a team from the University of Arizona in the United States unveiled a groundbreaking method for manipulating graphene electrons using ultrafast optical pulses. By harnessing the quantum tunneling effect, this technique enables electrons to effortlessly circumvent physical barriers at near-instantaneous speeds. By integrating this method into commercially viable transistors, the team has triumphantly created the world's first optoelectronic transistor capable of operating at petahertz frequencies. This monumental feat is poised to redefine the boundaries of computer processing power, heralding a significant leap forward in ultra-high-speed computing technology. The groundbreaking research findings have been published in the esteemed journal Nature Communications.
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