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Nanophotonics

Plasmon quantum limit exposed

Confinement of light in subnanometre gaps encounters a fundamental limit in the quantum tunnelling regime.

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Figure 1: The colour of light in the quantum tunnelling regime.

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Correspondence to Niek F. van Hulst.

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van Hulst, N. Plasmon quantum limit exposed. Nature Nanotech 7, 775–777 (2012). https://doi.org/10.1038/nnano.2012.213

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