Coating a semiconductor heterostructure post with a layer of gold enables electrical pumping of nano-sized lasers. This experimental result could dispel the common belief that metallic coatings are too lossy to make good reflectors for tiny emitters.
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Scattering of nanowire surface plasmons coupled to quantum dots with azimuthal angle difference
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Chang, R. Goldfinger laser. Nature Photon 1, 563–564 (2007). https://doi.org/10.1038/nphoton.2007.182
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DOI: https://doi.org/10.1038/nphoton.2007.182
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Scattering of nanowire surface plasmons coupled to quantum dots with azimuthal angle difference
Scientific Reports (2016)