Square dielectric cavity with perpendicular ports

the computational domain
nb = 1.0, ng = 3.4,
w = 0.1 µm, W = 1.786 µm,
gh = 0.355 µm, gv = 0.385 µm, q = 0.355 µm,
TE polarization,
x, z in [-4, 4] µm, Mx = Mz = 100.

Wavelength dependence of the transmission

transmission, wavelength dependence 1.550 µm 1.579 µm