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Quantum nanophotonics

Writing above the bandgap

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Above-bandgap, nanosecond laser pulses enable the localized in situ writing of spin defects in prefabricated nanophotonic cavities. The approach preserves defect and cavity mode properties, key requirements towards cavity–emitter coupling in quantum networks.

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Fig. 1: Above-bandgap laser inscription of colour centres in nanophotonic cavities.

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Authors and Affiliations

  1. Electrical and Computer Engineering Department, University of California Davis, Davis, CA, USA

    Sridhar Majety & Marina Radulaski

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  1. Sridhar Majety
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  2. Marina Radulaski
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Correspondence to Marina Radulaski.

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The authors declare no competing interests.

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Majety, S., Radulaski, M. Writing above the bandgap. Nat. Mater. 22, 675–676 (2023). https://doi.org/10.1038/s41563-023-01561-w

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