High Birefringence and Negative Dispersion Effect of Hybrid-Core Photonic Crystal Fiber

Abstract:

A novel type of hybrid-core photonic crystal fiber is proposed, whose core is composed of center-directionally decrescent air holes arrayed as pentagonal and an octagonal structure. Characteristics of the proposed PCF are analyzed theoretically by using all vector finite element method (V-FEM). Results show that high-birefringence and negative dispersion are obtained over the wavelength range from 0.8µm to 1.8µm, and the maximum of birefringence reaches 1.36×10-2 and negative dispersion achieves -600 ps•nm-1•km-1~-60 ps•nm-1•km-1, which will fulfill the requirement of high-birefringence polarization maintaining fiber fabricating and wideband dispersion compensating.

• Periodical: Advanced Materials Research (Volume 566)
• Pages: 599-603
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.566.599
• Online since: September 2012
• Authors: Ding Jie Xu, Hong Ru Song, Wei Wang, Yue Fan
• Keywords: High Birefringence, Negative Dispersion, Photonic Crystal Fiber (PCF)

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