Physics – Optics
Scientific paper
2008-10-21
Opt. Express 16, 21209-21214 (2008).
Physics
Optics
6 pages, 5 figures
Scientific paper
10.1364/OE.16.021209
We study nonlinear modes in subwavelength slot waveguides created by a nonlinear dielectric slab sandwiched between two metals. We present the dispersion diagrams of the families of nonlinear plasmonic modes and reveal that the symmetric mode undergoes the symmetry-breaking bifurcation with the energy primarily localized near one of the interfaces. We also find that the antisymmetric mode may split into two brunches giving birth to two families of nonlinear antisymmetric modes.
Davoyan Arthur R.
Kivshar Yu. S.
Shadrivov Ilya V.
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