| Authors: | B. Ouyang, W. Bogaerts, J. Caro | | Title: | Design of Silicon Mach-Zehnder interferometer and ring resonator with a free spectral range tolerant against waveguide-width variations | | Format: | International Conference Proceedings | | Publication date: | 11/2018 | | Journal/Conference/Book: | Proceedings of the 23rd Annual Symposium of the IEEE Photonics Benelux Chapter
| | Location: | Brussel, Belgium | | Citations: | Look up on Google Scholar
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Abstract
We propose a design method for Mach-Zehnder interferometers and ring resonators with a free spectral range tolerant against waveguide-width variations as occurring in a silicon-on-insulator platform. The systematic deviation of fabricated waveguide widths from related design widths is established, to calibrate the dependence of the group index on the design width. The width dependence of the group index suggests two waveguide widths in a single device to create tolerance of the free spectrum range against width variations. Related Research Topics
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