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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 4,
  • Issue 8,
  • pp. 442-445
  • (2006)

Parameter analysis of a photonic crystal fiber with raised-core index profile based on effective index method

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Photonic crystal fibers (PCFs) with a stepped raised-core profile and one layer equally spaced holes in the cladding are analyzed. Using effective index method and considering a raised step refractive index difference between the index of the core and the effective index of the cladding, we improve the characteristic parameters such as numerical aperture and V-parameter, and reduce its bending loss to about one tenth of a conventional PCF. Implementing such a structure in PCFs may be one step forward to achieve low loss PCFs for communication applications.

© 2006 Chinese Optics Letters

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