Title :
Improved tolerance in optical directional couplers
Author :
Wilson, M.G.F. ; Teh, G.A.
Author_Institution :
University College London, Department of Electronic & Electrical Engineering, London, UK
Abstract :
Tolerance requirements in conventional synchronous-mode directional couplers are examined. It is proposed that the tolerance situation can be improved considerably by tapering one, or both, of the propagation coefficients, so that they intersect at one position. This model is examined numerically, and suggestions are made for the practical realisation of a device.
Keywords :
integrated optics; optical waveguides; waveguide couplers; integrated optics; optical directional couplers; optical waveguides; tolerance; waveguide couplers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19730330
