An improved non-linear nearly-zero dispersion flattened photonic crystal fiber with the threefold symmetry core

R. Zeleny; M. Lucki

doi:10.1117/12.920064

25 April 2012 An improved non-linear nearly-zero dispersion flattened photonic crystal fiber with the threefold symmetry core

R. Zeleny, M. Lucki

Author Affiliations +

Proceedings Volume 8426, Microstructured and Specialty Optical Fibres; 84260R (2012) https://doi.org/10.1117/12.920064
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

A new type of dispersion flattened photonic fiber is presented. The fiber has an improved threefold symmetry core that consists of a silica core surrounded by three low-index regions and three air-holes. It can be observed from numerical simulation employing the full-vectorial finite difference frequency domain method that nearly-zero ultra-flattened dispersion can be obtained over the wavelength range of 1250-1700 nm. All fiber's parameters are found to be non-immune to imperfections of geometry. An attention should though be paid to the potential fabrication process. The chromatic dispersion behavior with fabrication tolerances of 1 % and 2 % has been numerically demonstrated. Finally, fiber designs with five different hole-to-hole spacing (pitch) have been proposed. Each of the proposed fibers exhibits remarkable chromatic dispersion properties, such as nearly-zero ultra-flattened dispersion over wide wavelength range or zero dispersion at the wavelength of 1550 nm.

Citation Download Citation

R. Zeleny and M. Lucki "An improved non-linear nearly-zero dispersion flattened photonic crystal fiber with the threefold symmetry core", Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 84260R (25 April 2012); https://doi.org/10.1117/12.920064

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