Recent years have seen a rapid expansion of research into nanophotonics based on
surface plasmon–polaritons. These electromagnetic waves propagate along metal …

The integration of nanoscale electronics with conventional optical devices is restricted by the
diffraction limit of light. Metals can confine light at the subwavelength scales needed, but …

A two-dimensional symmetric hybrid plasmonic waveguide that integrates two high-
refractive-index dielectric slabs with a finite-width insulator-metal-insulator (IMI) structure is …

Reduction of propagation loss of terahertz graphene plasmon can be made by increasing
the chemical potential of graphene layer, but at the cost of significantly increased modal …

Plasmonic waveguides, as a competitive candidate, have been widely studied in rapid
developing photonic integrated circuits (PICs) and optical interconnection fields. However …

The waveguiding of terahertz surface plasmons by a GaAs strip-loaded graphene
waveguide is investigated based on the effective-index method and the finite element …

Deep-subwavelength optical field localization and ultra-long-range transmission are crucial
for nanoscale photonics integration. However, the transmission performances of plasmon …

Directional coupler (DC) and nonlinear Mach-Zehnder interferometer (MZI) based on metal-
insulator-metal (MIM) plasmonic waveguide are investigated numerically. We show that the …

A graphene-based cylindrical hybrid surface plasmon polariton waveguide, composed of a
silicon nanowire core surrounded by a silica layer and then a graphene layer, is investigated …

We study the surface plasmon modes in a silver double-nanowire system by employing the
eigenmode analysis approach based on the finite element method. Calculated dispersion …