Photonic crystal waveguide

the computational domain
nb = 1.0, nr = 3.4,
r = 0.15 µm, p = 0.6 µm, Nr = 4,
ng = 1.8, w = 0.5 µm,
TE polarization,
x, z in [-1.0, 5.95] µm, Mx = Mz = 120.

Wavelength dependence of the transmission

transmission, wavelength dependence 1.461 µm 1.551 µm

Parameters according to R. Stoffer, H.J.W.M. Hoekstra, R.M. de Ridder, E. van Groesen, and F.P.H. van Beckum, Numerical studies of 2D photonic crystals: Waveguides, coupling between waveguides and filters, Optical and Quantum Electronics 32, 947-961 (2000); see also the references cited in that paper.