Abstract

As conventional electronic is approaching its fundamental limits, huge efforts have been taken to explore new concepts of ultrafast control at the quantum level. Lightwave electronics – the foundation of attosecond science [1] – has opened a spectacular perspective by utilizing the carrier wave of an intense light pulse to steer the translational motion of charges faster than a single cycle of light [1-4]. Despite their promising potential as future information carrier, the electron’s internal quantum attributes such as the spin and the valley pseudospin [5] have not been switchable at optical clock rates.

© 2019 IEEE

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