Design of a Decagonal Photonic Crystal Fiber for Ultra-Flattened Chromatic Dispersion

S. M. Abdur RAZZAK  Yoshinori NAMIHIRA  Feroza BEGUM  Shubi KAIJAGE  Nguyen Hoang HAI  Nianyu ZOU  

IEICE TRANSACTIONS on Electronics   Vol.E90-C   No.11   pp.2141-2145
Publication Date: 2007/11/01
Online ISSN: 1745-1353
DOI: 10.1093/ietele/e90-c.11.2141
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Optoelectronics
photonic crystal fiber (PCF),  chromatic dispersion,  confinement loss,  effective area (Aeff),  

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This paper describes near-zero ultra-flattened chromatic dispersion and low confinement loss that can be achieved from a decagonal photonic crystal fiber (D-PCF). The finite difference method with anisotropic perfectly matched boundary layer (PML) is used for the numerical analysis. It is demonstrated that it is possible to design a four-ring D-PCF with ultra-flattened dispersion of 0 0.69 ps/(nm-km) in a 1.30 to 1.75 µm wavelength range and 0 0.22 ps/(nm-km) in a 1.35 to 1.65 µm wavelength range with very low confinement losses of order 0.0011 dB/km. The proposed D-PCF shows promising dispersion tolerance.