Recent Advances in Graphene-Assisted Nonlinear Optical Signal Processing

Figure 18

(a) Calculated , , and of the split-ring graphene film under the illumination of only one beam at normal incidence. (b) Normalized total absorption under the illumination of two counterpropagating coherent beams with the same intensities and phases. The chemical potential of graphene is assumed to be  eV.

(a)

(b)