8 April 2013 Nearly zero dispersion-flattened photonic crystal fiber with fluorine-doped three-fold symmetry core
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Abstract
A novel design of a photonic crystal fiber is presented. A nearly zero dispersion regime of operation has been achieved by using a three-fold symmetry core, which is improved by the avoidance of high-index doping in a central region. The core consists of pure silica surrounded by three fluorine-doped regions and three airholes. It can be confirmed by the numerical simulations using the finite difference frequency domain method that flattened dispersion characteristics upon wavelength over the range of 1250 to 1700 nm can be achieved in an optical fiber. Further, the potential fiber geometry imperfections caused some concern. Finally, the presented fiber design is compared to selected fiber designs with a dispersion close to zero.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
Richard Zeleny, Michal Lucki, "Nearly zero dispersion-flattened photonic crystal fiber with fluorine-doped three-fold symmetry core," Optical Engineering 52(4), 045003 (8 April 2013). https://doi.org/10.1117/1.OE.52.4.045003 . Submission:
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