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Quantum nanophotonics

Writing above the bandgap

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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Correspondence to Marina Radulaski.

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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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