Nonlinear Scattering by Anisotropic Dielectric Periodic Structures

Figure 11

Intensities |𝐹_𝑟,𝑡|² of the field at frequency 𝜔₃=𝜔₁+𝜔₂ radiated from the periodic stack with 𝑁=7 unit cells toward the reverse (a) and forward (b) directions of the 𝑧-axis at Θ_𝑖1=30^∘,Θ_𝑖2=60^∘ and 𝜔₁=4.982×10¹³s⁻¹, 𝜔₂=2.607×10¹³s⁻¹,tg𝛿_{𝑥𝑥,𝑧𝑧}=0.001.

(a)

(b)