Title :
Polarisation dependent coupling in ring resonator filters
Author :
Chakam, G.A. ; Freude, W. ; Poulton, C. ; von Freymann, Georg ; Wegener, M. ; Fujii, Masahiro
Author_Institution :
High-Frequency & Quantum Electron. Lab., Karlsruhe Univ., Germany
Abstract :
We observed a strong polarisation dependence of the coupling between a straight dielectric strip and a ring waveguide. Based on measurements, we explain this behaviour with numerical and analytical vector-field models for a wedge-type inhomogeneity.
Keywords :
finite difference time-domain analysis; integrated optics; light polarisation; optical resonators; optical waveguide filters; optical waveguide theory; vectors; analytical vector-field models; polarisation dependent coupling; ring resonator filters; ring waveguide; straight dielectric strip; strong polarisation dependence; wedge-type inhom6geneity; Couplings; Dielectric losses; Dielectric substrates; Frequency; Optical filters; Optical ring resonators; Optical waveguides; Polarization; Resonator filters; Tellurium;
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7500-9
DOI :
10.1109/LEOS.2002.1159523
