Fabrication and characterization of solid-core photonic crystal fiber with steering-wheel air-cladding for strong evanescent field overlap

Yinian Zhu, Ryan T. Bise, Jiri Kanka, Pavel Peterka, Henry Du

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We report the fabrication and characterization of a photonic crystal fiber with solid-core and steering-wheel pattern air-cladding (SW-PCF). Specifically, SW-PCF is fabricated using sol-gel casting technique. Attenuation spectrum shows the fiber losses of 0.14 dB/m, 0.087 dB/m, and 0.0 32 dB/m at wavelengths of 850 nm, 1000 nm, and 1500 nm, respectively, while the cut-off wavelength for single-mode operation is 1360 nm. Near-field imaging is used for the determination of mode-field diameter. The fiber presents the anomalous dispersion expending to short wavelength range with high non-linearity. Tapered SW-PCFs in the transverse geometries are numerically calculated, which suggests that the tapering of fiber holds a significant promise for the enhancement of power overlap in air holes. Properly designed and fabricated SW-PCF can thus be utilized as attractive platform for evanescent field sensing and detection.

Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalOptics Communications
Volume281
Issue number1
DOIs
StatePublished - 1 Jan 2008

Keywords

  • Evanescent wave
  • Microstructured fiber
  • Optical fiber sensor
  • Photonic crystal fiber

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