Title :
Planar Concave Grating Demultiplexer with Distributed Bragg Reflection Facets
Author :
Brouckaert, Joost ; Bogaerts, Wim ; Dumon, Pieter ; Selvaraja, Shankar Kumar ; Roelkens, Gunther ; Van Thourhout, Dries ; Baets, Roel
Author_Institution :
Dept. of Inf. Technol. (INTEC), Ghent Univ.- lMEC, Ghent
Abstract :
We present measurement results of a 4-channel silicon-on-insulator grating demultiplexer fabricated in a CMOS-line. On-chip loss is reduced below 4.5dB over a broad wavelength range by replacing each facet by a second order Bragg reflector.
Keywords :
demultiplexing equipment; diffraction gratings; distributed Bragg reflectors; integrated optics; optical communication equipment; optical losses; silicon-on-insulator; 4-channel silicon-on-insulator grating demultiplexer; CMOS-line; Si; distributed Bragg reflection facets; on-chip loss; planar concave grating demultiplexer; second order Bragg reflector; Arrayed waveguide gratings; Bragg gratings; Etching; Fabrication; Face; Gold; Optical waveguides; Reflection; Wavelength division multiplexing; Wires;
Conference_Titel :
Group IV Photonics, 2007 4th IEEE International Conference on
Conference_Location :
Tokyo
Print_ISBN :
978-1-4244-0934-1
DOI :
10.1109/GROUP4.2007.4347651