Theoretical analysis of waveguide polarizers for integrated optics using artificial birefringent media

摘要

Novel waveguide polarizers with a high extinction ratio can be formed for integrated optics by using artificial birefringent media, including periodic dielectric multilayers, porous dielectric media, and columnar microstructure films. In this paper, we describe the design and theoretical characteristics of the TE- pass waveguide polarizer using porous alumina layers. The designed TE-pass waveguide polarizers in the length of 10 mm have the extinction ratio of 24 dB and the insertion loss less than 0.01 dB. In addition, the refractive index of host dielectric for the porous media is investigated for the design of more efficient waveguide polarizer.