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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 25, Iss. 5 — May. 1, 2007
  • pp: 1224–1230

Analysis and Design of Photonic Crystal Fibers Based on an Improved Effective-Index Method

Hongbo Li, Arash Mafi, Axel Schülzgen, Li Li, Valery L. Temyanko, Nasser Peyghambarian, and Jerome V. Moloney

Journal of Lightwave Technology, Vol. 25, Issue 5, pp. 1224-1230 (2007)


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Abstract

The modal characteristics of photonic crystal fibers (PCFs), with guiding cores consisting of one or seven missing airholes, are investigated with the finite element method and compared to those of step-index fibers (SIFs). To extend the applicability of the classical SIF theories to PCFs, the effective refractive index of photonic crystal cladding and the effective core radius of a PCF are studied systematically, based on simple physically consistent concepts. With the new effective cladding index and core radius of PCFs, the classical definition of the V parameter for SIFs is extended to PCFs, and a highly efficient approach based on the effective-index method is developed for the design of PCFs. The new design approach has been successfully employed to analyze the modal properties of PCF lasers with depressed-index cores and further tested by using it to effectively estimate the number of guided modes for PCFs with large cores.

© 2007 IEEE

Citation
Hongbo Li, Arash Mafi, Axel Schülzgen, Li Li, Valery L. Temyanko, Nasser Peyghambarian, and Jerome V. Moloney, "Analysis and Design of Photonic Crystal Fibers Based on an Improved Effective-Index Method," J. Lightwave Technol. 25, 1224-1230 (2007)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-25-5-1224

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