Highly birefringent and dispersion compensating photonic crystal fiber based on double line defect core

Lee, Yong Soo, Lee, Chung Ghiu, Jung, Yongmin, Oh, Myoung-kyu and Kim, Soeun (2016) Highly birefringent and dispersion compensating photonic crystal fiber based on double line defect core. Journal of the Optical Society of Korea, 20 (5), 567-574. (doi:10.3807/JOSK.2016.20.5.567).

Abstract

We propose a highly birefringent and dispersion compensating photonic crystal fiber based on a double line defect core. Using a finite element method (FEM) with a perfectly matched layer (PML), it is demonstrated that it is possible to obtain broadband large negative dispersion of about -400 to -427 ps/(nm.km) covering all optical communication bands (from O to U band) and to achieve the dispersion coefficient of -425 ps/(nm.km) at 1.55 µm. In addition, the highest birefringence of the proposed PCF at 1.55 µm is 1.92 x 10^-2 and the value of birefringence from the wavelength of 1.26 to 1.8 µm (covering O to U bands) is about 1.8 x 10^-2 to 1.92 x 10^-2. It is confirmed that from the simulation results, the confinement loss of the proposed PCF is always less than 10^-3 dB/km at 1.55 µm with seven fiber rings of air holes in the cladding.

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Contributors

Author: Yongmin Jung

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