High Absorption and Second-Harmonic Generation in Split Ring Resonator Multilayer Nanostructure

Figure 9

(a) The structure of split ring on 𝑥𝑦 plane. (b) The fundamental frequency field distribution 𝐸_𝑥⁽¹⁾ along the BC (red line) and 𝐸_𝑦⁽¹⁾ along the AB (black line) at wavelength 1518 nm. (c) The second-harmonic electric field 𝐸_𝑥⁽²⁾ along the BC (red line) and 𝐸_𝑦⁽²⁾ along the AB (black line) at wavelength 759 nm.

(a)

(b)

(c)