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Transmission characteristics of long-period fiber gratings having arbitrary azimuthal/radial refractive index variations

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3 Author(s)
Anemogiannis, E. ; Comput. Eng. & Microelectron. Res. Center, Georgia Inst. of Technol., Atlanta, GA, USA ; Glytsis, E.N. ; Gaylord, T.K.

A numerical method is presented for determining the transmittance of long-period (LP) fiber-gratings having arbitrary azimuthal/radial refractive index variations. The method uses coupled-mode theory and includes both the sine and cosine character of the LP modes. The model treats interactions between the fundamental LP01 mode and high-azimuthal-order cladding modes. The method utilizes the transfer matrix method to model cylindrical layers both in the core and the cladding regions.

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Lightwave Technology, Journal of  (Volume:21 ,  Issue: 1 )