Helmholtz Bright Spatial Solitons and Surface Waves at Power-Law Optical Interfaces

Figure 10

Numerical calculation of the GH shift for incident spatial solitons with 𝜂₀=2.0 at a nonlinear interface with 𝛼=0.7, (a) Δ=−0.001, and (b) Δ=−0.0025 when 𝜅=2.5×10⁻³ (inset shows the behaviour of the shift for 𝑞=3 around the minimum).

(a)

(b)