Numerical study on the waveguiding properties of photonic crystal fibers

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The photonic band structure, mode field distribution, and leakage loss of different photonic crystal fibers are studied by the full vectorial plane wave expansion method and an extended beam propagation method. A comparison on the waveguiding mechanism is conducted among solid-core triangular-lattice PCF, air-core honeycomb PCF, and solid-core honeycomb PCF. For the latter two structures, which conduct light by the photonic bandgap effect, the advantages of down-doped solid-core honeycomb structure are demonstrated for its Gaussian-like mode field distribution and low leakage loss. A combined study on the leakage loss and band structure of solid-core honeycomb PCF has revealed the distinctive properties of photonic bandgap effect.

Original languageEnglish
Pages (from-to)1245-1254
Number of pages10
JournalInternational Journal of Infrared and Millimeter Waves
Issue number8
StatePublished - Aug 2004


  • Beam propagation method
  • Correlation method
  • Leakage loss
  • Mode analysis
  • Photonic bandgap effect
  • Photonic crystal fiber
  • Plane wave expansion method


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