Title :
Impact of sidewall roughness on integrated Bragg gratings
Author :
Simard, Alexandre D. ; Ayotte, Nicolas ; Painchaud, Yves ; LaRochelle, Sophie
Author_Institution :
Centre d´´Opt., Photonique et Laser (COPL), Univ. Laval, Quebec City, QC, Canada
Abstract :
Spectral responses of long Bragg gratings on photonic wires suffer from average effective index fluctuations caused by sidewall roughness. We numerically investigate this effect and determine the required roughness parameters for good quality gratings.
Keywords :
Bragg gratings; integrated optics; surface roughness; average effective index fluctuation; good quality grating; integrated Bragg gratings; long Bragg gratings; photonic wires; roughness parameters; sidewall roughness; spectral responses; Bragg gratings; Fabrication; Gratings; Indexes; Optical filters; Optical waveguides; Photonics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
