Eur. Phys. J. Appl. Phys.
Volume 40, Number 2, November 2007
|Page(s)||175 - 179|
|Section||Laser and Optics|
|Published online||21 September 2007|
A new type ultraflattened dispersion photonic crystal fiber with low confinement loss
College of Precision Instrument and Optoelectronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, P.R. China
2 Key Laboratory of Optoelectric Information Science and Technology, Ministry of Education, Tianjin University, Tianjin 300072, P.R. China
Corresponding author: email@example.com
Revised: 3 July 2007
Accepted: 13 July 2007
Published online: 21 September 2007
In this paper, a new type PCF with three different air-hole diameters in cladding region is proposed and investigated by using a compact 2-D finite difference frequency domain (FDFD) method with anisotropic perfectly matched layers (PML) absorbing boundary conditions. Through numerical simulation we found that by optimizing the geometrical parameters, our proposed structure with fewer of air-hole rings greatly meets the performance criteria such as ultraflattened dispersion and low confinement loss, which is highly instructive for designing photonic crystal fibers.
PACS: 41.20.Jb – Electromagnetic wave propagation; radiowave propagation / 42.81.Bm – Fabrication, cladding, and splicing / 42.81.Dp – Propagation, scattering, and losses
© EDP Sciences, 2007
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