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International Journal of Frontiers in Engineering Technology, 2024, 6(5); doi: 10.25236/IJFET.2024.060506.

Research of highly birefringent photonic crystal fibers based on elliptical core arrays

Author(s)

Xuanjun He

Corresponding Author:
Xuanjun He
Affiliation(s)

College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518000, China

Abstract

Photonic crystal fiber (PCF) is widely used in sensing applications due to its structural flexibility, high birefringence, low confinement loss, and significant nonlinear effects. This study presents a novel design of a highly birefringent photonic crystal fiber with a core filled with carbon disulfide (CS2). The simple structure of the fiber improves its manufacturability and performance by optimizing the number and shape of elliptical pores in the core. Using the finite element method (FEM) combined with perfectly matched layer (PML) boundary conditions, the birefringence, mode field area, and confinement loss were analyzed at different wavelengths. The results indicate that the newly designed fiber significantly outperforms existing liquid-sensing photonic crystal fibers, especially in the near-infrared region, making it a promising candidate for high-sensitivity applications.

Keywords

Photonic Crystal Fiber, High Birefringence, Liquid Core

Cite This Paper

Xuanjun He. Research of highly birefringent photonic crystal fibers based on elliptical core arrays. International Journal of Frontiers in Engineering Technology (2024), Vol. 6, Issue 5: 41-46. https://doi.org/10.25236/IJFET.2024.060506.

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