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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 24, Iss. 10 — Oct. 1, 2006
  • pp: 3856–3863

Analysis of Long-Period Waveguide Grating Arrays

Yukun Bai and Kin Seng Chiang

Journal of Lightwave Technology, Vol. 24, Issue 10, pp. 3856-3863 (2006)

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The authors analyze an array of long-period waveguide gratings with coupled-mode theory and show that the grating array can provide effective power transfer among the waveguides at specific wavelengths in the absence of evanescent-field coupling. In particular, they derive the general conditions for obtaining an arbitrary distribution of power splitting ratios among the waveguides and discuss several special cases. They also present a design example using practical waveguide parameters to demonstrate the feasibility of forming such grating arrays for the realization of multiport broadband couplers and add/drop multiplexers.

© 2006 IEEE

Yukun Bai and Kin Seng Chiang, "Analysis of Long-Period Waveguide Grating Arrays," J. Lightwave Technol. 24, 3856-3863 (2006)

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