Title :
Add-drop filters in silicon grating-assisted asymmetrie couplers
Author :
Wei Shi ; Xu Wang ; Han Yun ; Wen Zhang ; Chrostowski, L. ; Jaeger, Nicolas A. F.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada
Abstract :
We demonstrate narrow-bandwidth (<; 1 nm) contradirectional couplers in silicon sidewall-modulated strip waveguides and slab-modulated rib waveguides, using a CMOS-compatible technology. They have box-like responses, low insertion losses, and no need of a circulator or isolator.
Keywords :
CMOS integrated circuits; diffraction gratings; elemental semiconductors; optical circulators; optical couplers; optical filters; optical isolators; optical losses; optical waveguides; rib waveguides; silicon; CMOS; Si; add-drop filters; circulator; contradirectional couplers; grating-assisted asymmetrie couplers; insertion losses; isolator; sidewall-modulated strip waveguides; slab-modulated rib waveguides; Bandwidth; Couplers; Optical resonators; Optical waveguides; Photonics; Silicon; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
