Title :
Apodized focusing fully etched sub-wavelength grating couplers with ultra-low reflections
Author :
Yun Wang ; Han Yun ; Zeqin Lu ; Bojko, Richard ; Fan Zhang ; Caverley, Michael ; Jaeger, Nicolas A. F. ; Chrostowski, Lukas
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada
Abstract :
We experimentally demonstrate apodized focusing fully etched sub-wavelength grating couplers for the transverse electric (TE) mode. An insertion loss of 4.2 dB, 1-dB bandwidth of 36 nm, and back reflection of -24 dB have been obtained.
Keywords :
diffraction gratings; optical couplers; optical losses; reflectivity; apodized focusing fully etched sub-wavelength grating couplers; back reflection; insertion loss; transverse electric mode; ultra-low reflections; Arrayed waveguide gratings; Bandwidth; Couplers; Focusing; Gratings; Insertion loss; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
