ABSTRACT

Photonic crystals (PCs) are a broad class of materials with peculiar diffraction and light-guiding properties that are induced by their

structuring on a length scale comparable to that of the wavelengths

they have to interactwith. The core capability of PCs is the possibility

to fine-tune the dispersion properties of the bulk host dielectric

through a proper micro-/nanostructuring. That is, the spectral

properties of the material can be modified at will over a broad range

of possibilities in order to attain the desired interaction among the

propagating light and the dielectric host material.