Ultra-flattened negative dispersion for residual dispersion compensation using soft glass equiangular spiral photonic crystal fiber

作者：Hasan Md Imran; Mahmud R R; Morshed Monir; Hasan Md Rabiul

来源：Journal of Modern Optics, 2016, 63(17): 1681-1687.

DOI：10.1080/09500340.2016.1167977

• Photonic crystal fibre
• birefringence
• residual dispersion compensation
• confinement loss
• finite element method

We present a numerical investigation of an equiangular spiral photonic crystal fibre (ES-PCF) in soft glass for negative flattened dispersion and ultra-high birefringence. An accurate numerical approach based on finite element method is used for the simulation of the proposed structure. It is demonstrated that it is possible to obtain average negative dispersion of -526.99 ps/nm/km over 1.05-1.70 mu m wavelength range with dispersion variation of 3.7 ps/nm/km. The proposed ES-PCF also offers high birefringence of 0.0226 at the excitation wavelength of 1.55 mu m. The results here show that the idea of using the proposed fibre can be potential means of effectively directing for residual dispersion compensation, fibre sensor design, long distance data transmission system and so forth.

• 出版日期2016