Chiral single-photon emitters are desirable, versatile tools for quantum information processing. Exploiting proximity to a strain-induced local magnetic field in the van der Waals antiferromagnet NiPS3 enables the emission of high-purity chiral single photons from monolayer WSe2 at zero external magnetic field.
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Tang, J., Ling, X. Magnetic proximity boosts chiral quantum emission. Nat. Mater. 22, 1279–1280 (2023). https://doi.org/10.1038/s41563-023-01691-1
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DOI: https://doi.org/10.1038/s41563-023-01691-1