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Quantum dots

Stable and pure single-photons from greener quantum dots

Solution-processed, environmentally-benign quantum dots are able to emit stable streams of very pure single-photons with an optical coherence time reaching 250 picoseconds.

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Fig. 1: Characterization of single-photon emission from heavy-metal-free InP/ZnSe/ZnS core/shell QDs.


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Correspondence to Kaifeng Wu.

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Li, Y., Wu, K. Stable and pure single-photons from greener quantum dots. Nat. Nanotechnol. 18, 968–969 (2023).

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