Title :
A novel design and analysis of low loss abrupt bends of dielectric slab waveguides
Author :
Safavi-Naeini, Safieddin ; Chow, Y.L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada
fDate :
5/1/1992 12:00:00 AM
Abstract :
On the basis of the well-known laws of reflection and refraction of the plane electromagnetic waves, a concept for designing very low loss nonadiabatic junctions between tilted straight sections of dielectric waveguides is investigated. Combining the ray representation of the propagating modes with the equivalent source formulation of the dielectric waveguide excitation problem, a simple and accurate 2-D theory for treating such bends in slab waveguides is developed. Numerical results for typical cases are explained along with some new junctions for achieving large angle redirection of guided waves with very low bending loss
Keywords :
bending; integrated optics; light reflection; light refraction; optical losses; optical waveguide theory; 2-D theory; dielectric slab waveguides; equivalent source formulation; integrated optics; large angle redirection; low loss abrupt bends; plane electromagnetic waves; propagating modes; ray representation; reflection; refraction; tilted straight sections; very low loss nonadiabatic junctions; Dielectric losses; Electromagnetic propagation; Electromagnetic reflection; Electromagnetic refraction; Electromagnetic scattering; Electromagnetic waveguides; Planar waveguides; Slabs; Waveguide junctions; Waveguide theory;
Journal_Title :
Lightwave Technology, Journal of
