Spin-momentum locked interaction between guided photons and surface electrons in topological insulators

Whether topologically protected electron moving and photon moving can couple each other remains an interesting question. Here, Luo et al. report reversion of photon spin and the direction of the photocurrent in a topological insulator by changing light propagation direction.

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Auteurs principaux: Siyuan Luo, Li He, Mo Li
Format: article
Langue:EN
Publié: Nature Portfolio 2017
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Accès en ligne:https://doaj.org/article/0da95c8fd5be4023923466ed5d89e813
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