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Photonics 2019, 6(1), 19; https://doi.org/10.3390/photonics6010019

A Modified Design of a Hexagonal Circular Photonic Crystal Fiber with Large Negative Dispersion Properties and Ultrahigh Birefringence for Optical Broadband Communication

1
Department of Electrical and Electronic Engineering, Independent University Bangladesh, Dhaka 1229, Bangladesh
2
Department of Electrical and Computer Engineering, North South University, Dhaka 1229, Bangladesh
*
Author to whom correspondence should be addressed.
Received: 24 January 2019 / Revised: 17 February 2019 / Accepted: 21 February 2019 / Published: 25 February 2019
(This article belongs to the Special Issue Lightwave Communications and Optical Networks)
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Abstract

In this paper, we propose a modified design of a hexagonal circular photonic crystal fiber (HC-PCF) which obtains a large negative dispersion and ultrahigh birefringence simultaneously. The optical properties of the proposed HC-PCF were investigated using the finite element method (FEM) incorporated with a circular perfectly matched layer at the boundary. The simulation results showed large negative dispersion of −1044 ps/nm.km and ultrahigh birefringence of 4.321 × 10−2 at the operating wavelength of 1550 nm for the optimum geometrical parameters. Our proposed HC-PCF exhibited the desirable optical properties without non-circular air holes in the core and cladding region which facilitates the fabrication process. The large negative dispersion of the proposed microstructure over the wide spectral range, i.e., 1350 nm to 1600 nm, and high birefringence make it a suitable candidate for high-speed optical broadband communication and different sensing applications. View Full-Text
Keywords: photonic crystal fiber; dispersion; birefringence; optical broadband communication photonic crystal fiber; dispersion; birefringence; optical broadband communication
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Biswas, S.K.; Arfin, R.; Habib, A.B.; Amir, S.B.; Zahir, Z.B.; Islam, M.R.; Hussain, M.S. A Modified Design of a Hexagonal Circular Photonic Crystal Fiber with Large Negative Dispersion Properties and Ultrahigh Birefringence for Optical Broadband Communication. Photonics 2019, 6, 19.

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