Title :
Mode-Expanded Bus Architecture for Non-sensitive Waveguide Alignment in Vertically-coupled Microring
Author :
Tee, C.W. ; Williams, K.A. ; Penty, R.V. ; White, I.H. ; Hamacher, M. ; Troppenz, U. ; Heidrich, H.
Author_Institution :
Centre for Photonic Systems, University of Cambridge, CB3 0FA, UK. Email: cwt23@cam.ac.uk
Abstract :
We demonstrate experimentally a five-fold improvement in fabrication tolerance for vertically-coupled microrings using a mode-expanded bus waveguide. The power coupling coefficient is observed to vary by only 6% for misalignment as high as 1¿m.
Keywords :
Optical device fabrication;
Conference_Titel :
Optical Communications, 2006. ECOC 2006. European Conference on
Conference_Location :
Cannes, France
Print_ISBN :
978-2-912328-39-7
Electronic_ISBN :
978-2-912328-39-7
DOI :
10.1109/ECOC.2006.4801189
