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Characteristic analyses of high birefringence and two zero dispersion points photonic crystal fiber with octagonal lattices

Wang Wei Yang Bo Song Hong-Ru Fan Yue

Characteristic analyses of high birefringence and two zero dispersion points photonic crystal fiber with octagonal lattices

Wang Wei, Yang Bo, Song Hong-Ru, Fan Yue
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Publishing process
  • Received Date:  29 September 2011
  • Accepted Date:  22 November 2011
  • Published Online:  05 July 2012

Characteristic analyses of high birefringence and two zero dispersion points photonic crystal fiber with octagonal lattices

  • 1. College of Automation, Harbin Engineering University, Harbin 150001, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 60704018) and the Fundamental Research Funds for the Central Universities, China (Grant Nos. HEUCF110433, HEUCFZ1110).

Abstract: Aiming to the requirements of high birefringence and multiple zero dispersion points of optic-fiber sensing and communication systems, a new type of photonic crystal fiber (PCF) is proposed. The cladding is arrayed by octagonal air holes, and two big elliptical air holes are added in inner cladding to increase the birefringence. Numeral results show that this type of PCF exhibits high birefringence with a level of 10-3 when wavelength ranges from 0.8-2 m, which fulfils the requirement of high birefringence, and two zero dispersion points are obtained after optimization. In addition, high nonlinear coefficient with a level of 10-2 m-1W-1 is obtained, which could be used in the case where the nonlinearity is highly required.

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