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Coupling characteristics of dual-core high birefringence photonic crystal fibers

  • Bo Fu
  • , Shu Guang Li*
  • , Yan Yan Yao
  • , Lei Zhang
  • , Mei Yan Zhang
  • , Si Ying Liu
  • *Corresponding author for this work
  • Yanshan University

Research output: Contribution to journalArticlepeer-review

Abstract

A kind of dual-core high birefringence photonic crystal fibers (DHB-PCFs) has been proposed in this paper. The birefringence, coupling length and dispersion characteristics of DHB-PCFs have been studied by multipole method using mode coupling theory. It is found that the birefringence of DHB-PCF with pitch 1.2 μm and air-hole diameter 1.0 μm is 1.24×10-2 in optical communication band of 1.55 μm wavelength. Correspondingly, dual-core coupling lengths are 21.6 μm and 24.3 μm for x-polarized mode and y-polarized mode, respectively. The DHB-PCF with high degree of polarization and very short coupling length is useful for manufacturing minitype photonic apparatus.

Original languageEnglish
Pages (from-to)7708-7715
Number of pages8
JournalWuli Xuebao/Acta Physica Sinica
Volume58
Issue number11
StatePublished - Nov 2009
Externally publishedYes

Keywords

  • Birefringence
  • Coupling length
  • Dual-core
  • Photonic crystal fiber

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