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SPINTRONICS

Light control with atomically thin magnets

Weak interaction of light with matter makes its tunable control notoriously challenging, resulting in bulky and inefficient devices. Now, a study demonstrates that van der Waals antiferromagnets featuring strong spin-charge induced anisotropy could offer excellent control of light polarization selectivity.

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Fig. 1: Polarization selectivity in materials.
Fig. 2: Cavity enhanced linear dichroism demonstrated by Huiqin Zhang et al.

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Correspondence to Artur R. Davoyan.

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Ling, H., Davoyan, A.R. Light control with atomically thin magnets. Nat. Photon. 16, 259–260 (2022). https://doi.org/10.1038/s41566-022-00981-5

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