Fabry–Pérot resonance coupling associated exceptional points in a composite grating structure

Jiang Zhi-Sen^{1, 2}, Hu De-Jiao³, Pang Lin^{1, 2, †}, Gao Fu-Hua^{1, 2}, Wang Ping^{1, 2}

(color online) (a) Magnetic field distribution with light incident from backward direction and (b) magnetic field distribution with light incident from the forward direction of the EP at λ = 1500 nm. The white arrow points to the incident direction.