Abstract
Propagation of guided-modes in uniaxial optical waveguides is investigated. When the optical axis lies in the plane of the waveguide, a coupling between TE and TM modes takes place. Based on the coupled-mode theory, the propagating constants of the hybrid modes, the coupling coefficient and the interaction length are determined. A simple model is proposed to describe the guided mode behaviour. The results are illustrated for the case of Ti-diffused LiNbO3 waveguide.
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Mashev, L., Tsonev, L., Mironov, S. et al. Wave propagation in uniaxial graded-index optical waveguides. Appl. Phys. 19, 43–46 (1979). https://doi.org/10.1007/BF00900536
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DOI: https://doi.org/10.1007/BF00900536