Enhancement and control of the Goos—Hänchen shift by nonlinear surface plasmon resonance in graphene

You Qi¹, Jiang Leyong², Dai Xiaoyu¹, Xiang Yuanjiang^{1, †}

(color online) Dependence of the reflectance (a), phase of the reflection coefficient (b), and GH shift (c) on the incident angle for different air gap thicknesses with and without graphene. Here λ = 100 μm, τ = 500 fs, E_F = 0.9 eV, and N = 5.