Wave propagation in uniaxial graded-index optical waveguides |
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| Authors: | L Mashev L Tsonev S Mironov M Garsia |
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| Institution: | (1) Institute of Solid State Physics, Bulgarian Academy of Sciences, BG-1113 Sofia, Bulgaria;(2) A. F. Ioffe Physico-Technical Institute, USSR Academy of Sciences, Leningrad, USSR |
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| 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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| Keywords: | 42 82 |
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