Extraordinary transmission and reflection in PT -symmetric two-segment-connected triangular optical waveguide networks with perfect and broken integer waveguide length ratios
Wu Jia-Ye1, 2, Wu Xu-Hang1, Yang Xiang-Bo1, ‡, Li Hai-Ying1
       

Transmission and reflection spectra of the network with d 1 : d 2 = 1 : 1 δ , δ = 10 8 at extraordinary point, with n I = 1.35 × 10 8 , where the blue solid line, green dot line, yellow dot line, and red solid line indicate the left-incident transmission and reflection and the right-incident transmission and reflection, respectively.