Speed is of the essence when it comes to signal processing, but electronic switching times have reached a limit. Optically controlled tunnel currents across a nanoscale plasmonic gap could considerably accelerate future nanoelectronic devices.
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Smirnova, O. On-chip tunnel management. Nat. Phys. 16, 241–242 (2020). https://doi.org/10.1038/s41567-020-0800-5
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DOI: https://doi.org/10.1038/s41567-020-0800-5