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Nanophotonics

Free electrons get light out of a hole

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A device called a light well might form the basis of a tunable nanoscale laser.

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Figure 1: Schematic cut-away section of a light well, which is made by drilling a hole through a stack of alternating metal (gold) and dielectric (SiO2) layers.

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Authors and Affiliations

  1. Department of Physics, Gordon Robb is in the Scottish Universities Physics Alliance, University of Strathclyde, Glasgow G4 0NG, Scotland, UK. g.r.m.robb@strath.ac.uk,

    Gordon Robb

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  1. Gordon Robb
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Robb, G. Free electrons get light out of a hole. Nature Nanotech 4, 707–708 (2009). https://doi.org/10.1038/nnano.2009.331

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