Patent ID: 6233375
Filing Date: 2001-05-15
Classification: G02B,G02F

Abstract:
A light polarization device, comprising(a) a glass substrate;(b) at least one longitudinal waveguide having a longitudinal axis arranged within and extending continuously across said substrate for transmitting a light wave applied to an input thereof; and(c) at least one segmented planar waveguide arranged within said substrate and extending laterally from said longitudinal waveguide, said segmented planar waveguide including a plurality of equally spaced parallel waveguide elements arranged perpendicular to said longitudinal waveguide, each of said waveguide elements being configured to have refractive indices less than or equal to corresponding refractive indices of said longitudinal waveguide, said segmented waveguide elements applying mechanical stresses on said longitudinal waveguide to increase the birefringence of said longitudinal waveguide.