Design of plasmon waveguide with strong field confinement and low loss for nonlinearity enhancement

We propose a new hybrid dielectric and plasmonic waveguide offering an ultra high nonlinear coefficient γ = 4.7 × 10
⁹
W
^-1
km
^-1
which is 4 orders larger than conventional silicon waveguide with a propagation loss of 0.036 dB/μm.