Abstract
The zero-birefringence condition is an important requirement for magneto-optical waveguide devices. It has been analyzed by means of Film Mode Matching method (FMM). The modelling is based on geometrical adjustments of the rib waveguide and especially the etch depth, which is a critical parameter in the design of rib waveguide. We determine the waveguide dimensions that would allow the same propagation constants for both polarizations TE and TM, and we have found that there are more choices for waveguide dimensions to produce birefringence-free waveguides and single-mode rib waveguide simultaneously.
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Hocini, A., Boumaza, T., Bouchemat, M. et al. Modeling and analysis of birefringence in magneto-optical thin film made by SiO2/ZrO2 doped with ferrite of cobalt. Appl. Phys. B 99, 553–558 (2010). https://doi.org/10.1007/s00340-010-3930-0
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DOI: https://doi.org/10.1007/s00340-010-3930-0