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Nanophotonics

Vanishing polaritons at the nonlocal limit

Electromagnetic confinement in optical resonators of diminishing dimensions has enabled unprecedented light–matter interaction strengths. This miniaturization trend has a nonlocal limit, which, surprisingly, originates from the matter excitations rather than the light.

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Fig. 1: Nonlocal-induced polariton vanishing phenomenon.

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Correspondence to A. I. Fernández-Domínguez.

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Fernández-Domínguez, A.I. Vanishing polaritons at the nonlocal limit. Nat. Photon. 15, 640–641 (2021). https://doi.org/10.1038/s41566-021-00861-4

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