Title :
Microring resonator-coupled waveguide crossings in silicon nitride: waveguide width tuning
Author :
Zheng, Shengmei ; Fong, Chung Yau ; Poon, Andrew W.
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Clear Water Bay, China
fDate :
29 Sept.-1 Oct. 2004
Abstract :
We report high refractive-index contrast microring resonators laterally coupled with waveguide crossings as add-drop filters in silicon nitride. We demonstrate tuning of filter characteristics by simultaneously varying the widths of waveguide crossing and microring.
Keywords :
cavity resonators; micro-optics; microcavities; optical filters; optical resonators; optical tuning; optical waveguides; refractive index; silicon compounds; SiN; add-drop filters; coupled waveguide crossings; microring resonator; microring width tuning; refractive-index contrast; tunable filter; waveguide width tuning; Coupling circuits; Optical refraction; Optical resonators; Optical waveguides; Resonator filters; Scanning electron microscopy; Semiconductor device measurement; Silicon; Throughput; Waveguide junctions;
Conference_Titel :
Group IV Photonics, 2004. First IEEE International Conference on
Print_ISBN :
0-7803-8474-1
DOI :
10.1109/GROUP4.2004.1416641