Dispersion-induced Q -factor enhancement in waveguide-coupled surface lattice resonances

Tutkimustuotos: ArtikkeliTieteellinenvertaisarvioitu

3 Lataukset (Pure)

Abstrakti

Diffractively coupled nanoparticle arrays are promising candidates for helping to flatten many photonic devices such as lasers, lenses, and metrology instruments. Their performance, however, is directly linked with the size of the metasurfaces, limiting their applicability in nanophotonic applications. Here, we dramatically reduce array sizes of high-Q factor metasurfaces by utilizing strongly dispersive media. The effect is demonstrated by theoretically and numerically studying periodic arrays of plasmonic nanoparticles embedded inside Bragg-reflector waveguides. We demonstrate array dimensions reduction up to two orders of magnitude while still achieving ultrahigh-Q factors in excess of 104.

AlkuperäiskieliEnglanti
Artikkeli195422
JulkaisuPhysical Review B
Vuosikerta110
Numero19
DOI - pysyväislinkit
TilaJulkaistu - marrask. 2024
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Julkaisufoorumi-taso

  • Jufo-taso 2

!!ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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