One-Dimensional Plasmonic Nanoparticle Chain Lasers

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Controlling and generating coherent light fields in the nanoscale is critical for reducing the size of photonic circuitry. There are several demonstrations of zero-, one-, two-, and three-dimensional nanolaser architectures. Here we experimentally demonstrate a one-dimensional plasmonic laser, which consists of a periodic chain of aluminum nanoparticles and organic gain media. Lasing is observed at visible wavelengths, with clear thresholds and line widths down to 0.11 nm. Lasing occurs in a dark mode that extends over the whole structure, even outside the pumped area. The single lithography step fabrication and one-dimensional character allow for easy integration of these laser sources with other plasmonic structures.


Original languageEnglish
Pages (from-to)1822-1826
Number of pages5
JournalACS Photonics
Issue number5
Publication statusPublished - 16 May 2018
MoE publication typeA1 Journal article-refereed

    Research areas

  • aluminum nanoparticles, nanolasers, plasmonic crystals, plasmonics, surface lattice resonances

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