Proposal for All-Solid Photonic Bandgap Fiber With Improved Dispersion Characteristics

We propose a novel design of all-solid photonic bandgap fiber (AS-PBGF). It is designed by introducing a new defect, several bigger high-index rods, in the cladding of a conventional AS-PBGF. Using the plane-wave expansion method and the full-vector finite-element method, we study the effect of intr...

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Bibliographic Details
Published in:IEEE photonics technology letters 2007-08, Vol.19 (16), p.1239-1241
Main Authors: Qiang Fang, Qiang Fang, Zhi Wang, Zhi Wang, Guiyun Kai, Guiyun Kai, Long Jin, Long Jin, Yang Yue, Yang Yue, Jiangbing Du, Jiangbing Du, Qing Shi, Qing Shi, Zhanyuan Liu, Zhanyuan Liu, Bo Liu, Bo Liu, Yange Liu, Yange Liu, Shuzhong Yuan, Shuzhong Yuan, Xiaoyi Dong, Xiaoyi Dong
Format: Article
Language:English
Subjects:
All-solid photonic bandgap fiber (AS-PBGF)
avoided crossing
Communication system control
Confinement
Dispersions
Educational technology
Fibers
Finite element methods
finite-element method
Information science
large normal and anomalous dispersion
Mathematical analysis
Mathematical models
Nonlinear optics
Optical fiber communication
Optical fiber devices
Photonic band gap
Photonic bandgap fibers
Photonics
plane-wave expansion method
Proposals
Rods
Wavelengths
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Summary:We propose a novel design of all-solid photonic bandgap fiber (AS-PBGF). It is designed by introducing a new defect, several bigger high-index rods, in the cladding of a conventional AS-PBGF. Using the plane-wave expansion method and the full-vector finite-element method, we study the effect of introducing such bigger high-index rods. The numerical results show that both large normal and anomalous dispersion are induced within bandgap rather than near the edge of bandgap as conventional PBGF does. More importantly, the confinement loss of the LP 01 modes around the wavelengths, where large normal and anomalous dispersion are induced, could be decreased by increasing the rings of high-index rods for the fact that these wavelengths are within the bandgap.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.902233