Single-mode tuning of the plasmon resonance in high-density pillar arrays.

Abstract

The Maxwell-Garnett (MG) effective medium model has a pure resonance controlled by volume fraction f, but is usually invalid at high density. I present special 2D structures that match quasistatic MG over the entire range 0  <  f  <  1, in several regular and semi-regular arrays, expanding the applicability of MG. Optimal contours depend on both lattice and… (More)
DOI: 10.1088/1361-648X/aa57c8

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