FEM analysis of a highly birefringent modified slotted core circular PCF for endlessly single mode operation across E to L telecom bands
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(Published version)
Date
2024
Authors
Halder, A.
Arafat, Y.
Ahmed, I.
Ahsan, M.
Siddiquee, Z.
Tanshen, R.
Anower, S.
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Journal article
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Journal of the European Optical Society, 2024; 20(2):35-1-35-11
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Amit Halder, Yeasin Arafat, Imtiage Ahmed, Muhammad Ahsan, Zubairia Siddiquee, Riyad Tanshen, and Shamim Anower
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Abstract
This paper describes an exceptionally high birefringent modified slotted core circular photonic crystal fiber (MSCCPCF). At the 1.55 lm telecommunication wavelength, the proposed fiber structure aims to achieve exceptional birefringence performance through the thoughtful placement of air holes and the incorporation of slots. The optical properties of the proposed MSCCPCF are rigorously simulated using the finite element method (FEM). The FEM simulations show high birefringence of up to 8.795 × 10‾² at 1.55 μm. The suggested fiber exhibits single mode behavior in the E to L communication bands (Veff < 2.405). Numerous geometric factors and their effects on other optical properties, such as birefringence, beat length (17.62 μm) and dispersion coefficient (–310.8 ps/(nm · km)) have been meticulously studied. The proposed fiber’s viability and potential uses are evaluated by analyzing modal features like nonlinearity (21.76 W¯¹ km¯¹), confinement loss (5.615 × 10¯¹¹ dB/cm), and dispersion. The proposed fiber structure has potential for use in polarizationmaintaining devices, sensors, and other photonic applications requiring high birefringence and tailored optical properties.
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© The Author(s), published by EDP Sciences, 2024. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.