Bend loss in all-solid bandgap fibers revisited

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The rate of decay of the fundamental guided mode into the surrounding cladding in all-solid photonic bandgap fibers is investigated. Both a simple 1-D model and numerical calculations of realistic fibers show that the decay rate varies asymmetrically across the bandgaps, with larger values near the upper edge of the bandgap. The implications for modeling bend loss in these fibers are discussed.
Original languageEnglish
Pages (from-to)1368-1372
Number of pages5
JournalJournal of Lightwave Technology
Issue number9
Publication statusPublished - 1 May 2010


  • photonic bandgap fiber
  • photonic crystal fiber
  • mode decay
  • numerical modeling
  • bend loss


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