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Polarization and dispersion properties of elliptical hole golden spiral photonic crystal fiber

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Abstract

An elliptical air-hole golden spiral photonic crystal fiber (EGS-PCF) is analyzed with the full-vectorial finite element method. The air-holes in the EGS-PCF are arranged in a spiral pattern governed by the Golden Ratio, where the design has been inspired by the optimal arrangement of seeds found in nature. The EGS-PCF exhibits extremely high birefringence (∼0.022 at operating wavelength 1550 nm) which is particularly useful for generating a polarization stable supercontinuum (SC). The fiber can also be designed to have a Zero Dispersion Wavelength (ZDW) at a suitable wavelength for only one polarization and large negative dispersion for the other, leading to a single-polarization SC. In addition, the fiber dispersion can be designed to obtain ZDWs at 800 nm and 1064 nm simultaneously, which can facilitate broadband supercontinuum generation (SCG) through multi-wavelength pumping.

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Authors and Affiliations

  1. School of Engineering and Mathematical Sciences, City University London, London, EC1V 0HB, UK

    A. Agrawal, N. Kejalakshmy, B. M. A. Rahman & K. T. V. Grattan

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  1. A. Agrawal
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  2. N. Kejalakshmy
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  3. B. M. A. Rahman
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  4. K. T. V. Grattan
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Correspondence to B. M. A. Rahman.

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Agrawal, A., Kejalakshmy, N., Rahman, B.M.A. et al. Polarization and dispersion properties of elliptical hole golden spiral photonic crystal fiber. Appl. Phys. B 99, 717–726 (2010). https://doi.org/10.1007/s00340-010-4023-9

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  • DOI: https://doi.org/10.1007/s00340-010-4023-9

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