Title :
Theory of integrated-optic diffraction gratings in low Δn waveguides
Author :
Wilson, M.G.F. ; Chan Wong, S.W.
Author_Institution :
University College London, Department of Electronic & Electrical Engineering, London, UK
Abstract :
It is shown that the commonly used two-mode theory is invalid for integrated-optic diffraction gratings made in low Δn waveguides. The results of a four-mode analysis are presented which show new diffraction effects relevant to the design of beam deflectors and wavelength filters
Keywords :
diffraction gratings; integrated optics; optical waveguides; beam deflectors; four-mode analysis; integrated-optic diffraction gratings; waveguides; wavelength filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19830643
