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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 3,
  • Issue 2,
  • pp. 55-63
  • (1999)

Long-Period Fiber Grating Analysis Using Generalized N×N Coupled-Mode Theory by Section-Wise Discretization

Open Access Open Access

Abstract

For the precise analysis and design of LPFG's, a new method of generalized N<TEX>$\times$</TEX>N coupled-mode theory by section-wise discretization was proposed. This is applicable to the analysis for arbitrary grating structures, which can readily take grating nonuniformities and multimode couplings into account. Utilizing the method, several analyses of LPFG's were presented, and relationships between the grating structures and their spectral responses were discussed.

© 1999 Optical Society of Korea

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