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Single-photon sources

Magnetic proximity boosts chiral quantum emission

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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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Fig. 1: Chiral quantum light from the nanoindentation of a WSe2/NiPS3 heterostructure by the proximity effect.

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Authors and Affiliations

  1. Division of Materials Science and Engineering, Boston University, Boston, MA, USA

    Jing Tang & Xi Ling

  2. Department of Chemistry, Boston University, Boston, MA, USA

    Xi Ling

Authors
  1. Jing Tang
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  2. Xi Ling
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Correspondence to Xi Ling.

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The authors declare no competing interests.

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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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