Coupled-Mode Theory of Nonparallel Optical Waveguides

  title={Coupled-Mode Theory of Nonparallel Optical Waveguides},
  author={Huawei Liang and Shunxiang Shi and Lin Ma},
  journal={Journal of Lightwave Technology},
A coupled-mode theory for treating the coupling between nonparallel optical waveguides is developed using the coupled-mode assumption. Both coupling equations and coupling coefficients are obtained by using approximations that are equivalent to those in the coupled-mode theory of parallel optical waveguides. In particular, coupling characteristics of a case, which are obtained using this theory, are different from that obtained using another theory. Not only does the present theory avoid the… CONTINUE READING
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