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We investigate surface plasmon polaritons (SPPs) excited by electromagnetic waves at an interface of two media. In sharp contrast to the current understanding of SPPs, we found that when the excitation field is present, the tangential components of the electrical field and the magnetic field at the boundary cannot be simultaneously continuous for SPPs. Surface current and/or charge densities will...
We investigate the photonic density of states (PDOS) in indefinite dielectric media metamaterials and specifically in hyperbolic metamaterials (HMMs) taking into account the finite feature sizes of the subwavelength pattern or meta-atoms in those metamaterials. While the PDOS for an ideal and homogeneous HMM diverges, the finite feature sizes imposed by practical constraints limits the highest k vector...
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