Title :
Design optimization of compact bends using finite element based numerical methods
Author :
Rajarajan, M. ; Rahman, B.M.A. ; Grattan, K.T.V. ; Obayya, S.S.A. ; El-Mikati, H.A.
Author_Institution :
Dept. of Electr. Electron. & Inf. Eng., City Univ., London, UK
Abstract :
In this paper the bending loss in compact optical bends is calculated by using the finite element-based beam propagation method. The effect of radiation loss with height, index contrast and width of the rib are discussed in detail. Finally the lateral offset is applied to reduce the butt-coupling loss
Keywords :
finite element analysis; optical losses; optical waveguide theory; waveguide discontinuities; beam propagation method; bending loss; butt-coupling loss; design optimization; finite element method; index contrast; lateral offset; numerical simulation; optical waveguide bend; radiation loss; Design optimization; Finite element methods; Optical filters; Optical losses; Optical propagation; Optical refraction; Optical scattering; Optical variables control; Optical waveguides; Semiconductor waveguides;
Conference_Titel :
Microwave Conference, 2000 Asia-Pacific
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6435-X
DOI :
10.1109/APMC.2000.925900
