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A Novel Defected Elliptical Pore Photonic Crystal Fiber with Ultra-Flattened Dispersion and Low Confinement Losses

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

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Summary :

This paper reports a novel design in Photonic Crystal Fibers (PCFs) with nearly zero ultra-flattened dispersion characteristics. We describe the chromatic dispersion controllability taking non-uniform air hole structures into consideration. Through optimizing non-uniform air hole structures, the ultra-flattened zero dispersion PCFs can be efficiently designed. We show numerically that the proposed non-uniform air cladding structures successfully archive flat dispersion characteristics as well as extremely low confinement losses. As an example, the proposed PCF with flattened dispersion of 0.27 ps/(nmkm) from 1.5 µm to 1.8 µm wavelength with confinement losses of less than 10-11 dB/m. Finally, we point out that full controllability of the chromatic dispersion and confinement losses, along with the fabrication technique, are the main advantages of the proposed PCF structure.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.8 pp.1627-1633
Publication Date
2007/08/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.8.1627
Type of Manuscript
PAPER
Category
Optoelectronics

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