Title :
Microring resonator-coupled multimode-interference-based crossings in 2??2 cross-grid array filters
Author :
Xu, Fang ; Poon, Andrew W.
Author_Institution :
Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong
Abstract :
We demonstrate microring resonator-coupled multimode-interference-based crossings in 2times2 cross-grid array filters in silicon-on-insulator. Our experiments reveal a Q of ~14000 and an extinction ratio of ~15 dB in the drop-port spectrum via cascaded microring-coupled crossings.
Keywords :
integrated optics; micro-optics; microcavities; optical arrays; optical filters; optical resonators; optical waveguides; silicon-on-insulator; cascaded microring-coupled crossings; cross-grid array filters; drop-port spectrum; extinction ratio; microring resonator; multimode-interference-based crossings; silicon-on-insulator; waveguide crossings; Coupling circuits; Crosstalk; Electrons; Extinction ratio; Photonics; Resonance; Resonator filters; Silicon on insulator technology; Waveguide junctions; Wavelength measurement;
Conference_Titel :
Group IV Photonics, 2007 4th IEEE International Conference on
Conference_Location :
Tokyo
Print_ISBN :
978-1-4244-0934-1
DOI :
10.1109/GROUP4.2007.4347652
