Title :
Apodized and un-apodized sidewall grating filters with low coupling constants in ultra-low-loss Si3N4 planar waveguides
Author :
Belt, M. ; Heck, Martijn J. R. ; Barton, J.S. ; Bauters, J.F. ; Bowers, John E. ; Blumenthal, D.J.
Author_Institution :
Eng. Sci. Building, Univ. of California, Santa Barbara, Santa Barbara, CA, USA
Abstract :
We demonstrate apodized and un-apodized sidewall grating filters in an ultra-low-loss planar Si3N4 integration platform. Record low coupling constants, as low as 0.19 cm-1, and better than 5dB side-lobe suppression with apodization are reported.
Keywords :
Bragg gratings; integrated optoelectronics; optical fibre filters; optical fibre losses; optical planar waveguides; silicon compounds; Si3N4; apodized sidewall grating filter; low coupling constants; side-lobe suppression; ultralow-loss planar integration platform; ultralow-loss planar waveguides; unapodized sidewall grating filter; Couplings; Fiber gratings; Gratings; Optical device fabrication; Optical fiber filters; Optical waveguides; Planar waveguides;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
