2D polymeric devices with photonic band gap (PBG) for telecommunications at 1.55 μm

This paper introduces a new approach to the achievement of low cost devices for optical telecommunications. For this purpose. the implementation of polymer components and of the WDM method shows several advantages. A polymeric photonic band gap (PBG) lattice effectively can assume the demultiplexing at around the wavelength of 1.55 μm. Here is firstly presented the computation of the suitable parameters for the polymer photonic crystal by means of the finite-difference-time-domain (FDTD) method. Secondly, the achievement of polymer lattices by a dry process, the focused ion beam milling, is exposed. The experimental achievements are discussed on the basis of the determination of the lattice parameters by an adapted software.