Fig. 5
From: Dual-ribbon grating resonance modes: a survey based on diffraction orders
\(H_z\) field distribution of the structure with \(P=500\) nm, \(S_1 = S_2=170\) nm, and \(W_1=W_2=80\) nm/ \(W_1=140\) nm, and \(W_2=20\) nm at (a)/ (c) \(\lambda _1=500\) nm (b)/ (d) \(\lambda _2=725\) nm.
