Dual-Core Photonic Crystal Fiber for Use in Fiber Filters

Haiming Jiang*, Erlei Wang, Kang Xie, Zhijia Hu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


An asymmetrical dual-core photonic crystal fiber (DC-PCF), which possesses all circular air holes, is proposed. By setting appropriate geometrical parameters, the wavelength-selective coupling property is realized, and a compact optical filter with a short length of 1.83 mm based on the DC-PCF is designed. The spectral transmission characteristics of the filter are investigated by the beam propagation method. The results demonstrate that the optical filter possesses a bandwidth of ∼ 58 nm and small sidelobes. The proposed optical filter could be used in the integrated optical systems.

Original languageEnglish
Article number7428765
JournalIEEE Photonics Journal
Issue number2
Publication statusPublished - 1 Apr 2016

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  • DC-PCF
  • optical filter
  • transmission characteristics


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