摘要: The fundamental mode of a symmetric slab waveguide is described to high degree accuracy using only two moments the refractive index profile rather than its exact form. can be used define an equivalent step waveguide, and propagation constant arbitrary guide given by value multiplied simple correction factor. limit single-mode operation, second-mode cutoff point, also formula requiring moments. Numerical confirmation method given.
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sci-hub.se 参考文章(8)
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