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We obtain the spatial variation of Green's tensor of lossy resonators in both source and detector positions and orientations without repeated simulation. We construct a simple yet rigorous eigenmode expansion of Green's tensor, bypassing all implementation and interpretation issues associated with the alternative quasinormal eigenmode methods. Modes are defined by a linear eigenvalue problem with...
Singular structures in plasmonics, for example, touching wires, crescent cylinders, etc., are well known for enhancing the field in small volumes by several orders of magnitude. Recent studies revealed that transformation optics can provide a very powerful analytical tool to solve these class of problems. It was also pointed out that these class of structures can also be suitable candidates for energy...
We retrieve the polarizability tensor of infinitely long cylinders under oblique incidence. Despite no inversion symmetry, magneto-electric coupling is predicted, its precise physical origins traced to the difference in scattering of TE and TM polarizations.
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