Arrays of metallic nanoparticles can support mixed plasmon-photonic resonances known as lattice surface modes. Their properties are well known, but a general strategy to control their properties is still lacking. In this article, we offer a perspective on the formation of these modes and show that their excitation depends on constructive and destructive interferences between the excitation field and the light scattered by the resonant nanoparticles. It is therefore possible to design the response of the system through a careful choice of the excitation conditions and/or by tuning the polarizability of the particles forming the periodic arrays.
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