Photonic bandgap fibers with high birefringence

  title={Photonic bandgap fibers with high birefringence},
  author={Kunimasa Saitoh and Masanori Koshiba},
  journal={IEEE Photonics Technology Letters},
A highly birefringent air-guiding photonic crystal fiber which provides guidance by a full two-dimensional photonic bandgap (PBG) effect is proposed. The fiber core is formed by introducing a large air hole that has an area of four unit cells of the cladding materials. It is shown from computed results by a full-vector finite element method that the proposed PBG fiber has birefringence of the order of 10/sup -3/. 

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