Dual-concentric-core all-solid photonic bandgap fiber with large dispersion

Qiang Fang; Zhi Wang; Long Jin; Guiyun Kai; Xiaoyi Dong

doi:10.1117/12.743677

21 November 2007 Dual-concentric-core all-solid photonic bandgap fiber with large dispersion

Qiang Fang, Zhi Wang, Long Jin, Guiyun Kai, Xiaoyi Dong

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 678113 (2007) https://doi.org/10.1117/12.743677
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

We propose a novel design of dual-concentric-core all-solid photonic bandgap fiber (DCC-AS-PBGF). It is designed by introducing a ring of bigger high-index rods, a new defect, in the cladding of a conventional all-solid PBGF. Using plane wave expansion method (PWEM) and full-vector finite-element method (FEM), we study the effect of introducing such a ring of bigger high-index rods. The numerical results show that large dispersion is gained around the wavelength where the modes in the new defect couple with the modes in the core. More importantly, the confinement loss of the LP₀₁ modes around the wavelengths, where large dispersion is induced, could be decreased by increasing the rings of high-index rods for the fact that these waveband are within the bandgap.

Citation Download Citation

Qiang Fang, Zhi Wang, Long Jin, Guiyun Kai, and Xiaoyi Dong "Dual-concentric-core all-solid photonic bandgap fiber with large dispersion", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 678113 (21 November 2007); https://doi.org/10.1117/12.743677

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