Magnets are often electrically activated, but recent research has demonstrated various schemes that can control magnetization using light and photocarriers. Nature Photonics spoke to Petr Němec and Tomas Jungwirth about their recent work on a polarization-independent optical-torque approach.
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Pile, D. Photons and magnetization. Nature Photon 7, 500 (2013). https://doi.org/10.1038/nphoton.2013.133
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DOI: https://doi.org/10.1038/nphoton.2013.133
