2024
DOI: 10.1063/5.0207377
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Magnet-free electromagnetic nonreciprocity in two-dimensional materials

Samaneh Pakniyat,
J. Sebastian Gomez-Diaz

Abstract: In this Tutorial, we overview recent developments to break and manipulate electromagnetic nonreciprocity in two-dimensional (2D) materials without relying on magnetic fields. To this purpose, we provide a general conductivity model to describe gyrotropic metasurfaces that exhibit nonreciprocity through different physical mechanisms enabled by 2D materials, including optical pumping, drifting electrons, ferromagnetic monolayers, mechanical strain, and spatiotemporal modulation. We describe in detail the resulti… Show more

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