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Extended Gaussian approximation for single-mode graded-index fibers

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3 Author(s)
Shih-Chieh Chao ; Dept. of Electr. Eng., Tatung Inst. of Technol., Taipei, Taiwan ; Woo-Hu Tsai ; Wu, M.-S.

A new trial function which extends the generalized Gaussian method for the study of weakly guiding single-mode fibers is presented. This function uses only simple elementary functions to approximate the fundamental modal fields. In many cases of study, we show that the present trial function gives a significant improvement over the existing trial functions, and it is very useful in the analysis of fibers and related devices

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Lightwave Technology, Journal of  (Volume:12 ,  Issue: 3 )