Design and optimization of dispersion-flattened microarray-core fiber with ultralow loss for terahertz transmission

Zhang, Lei, Luo, Wanli, Bai, Jing, Bai, Haiping, Jiang, Peng, Xu, Qiang, Li, Kang, Copner, Nigel and Gong, Yongkang 2022. Design and optimization of dispersion-flattened microarray-core fiber with ultralow loss for terahertz transmission. Alexandria Engineering Journal 61 (11) , pp. 9061-9068. 10.1016/j.aej.2022.02.043

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Abstract

The paper establishes a late-model of microarray-core based polymer optical fiber with flattened dispersion and ultra-low losses. Its transmission properties are calculated by virtue of the beam propagation approach. From the simulation results, it finds that the modelled fiber has a near-zero dispersion property of 0.29 ± 0.16 ps/THz/cm in a frequency area of 1.05 THz to 1.78 THz, a high birefringence of 1.6 × 10-3, an ultra-low confinement loss of 3.78 × 10-10 dB/m, an effective mode field zone of 4.6 × 105 μm2, and a nonlinear coefficient of 1.2 km-1·W−1. With these good properties, the modelled fiber could be applied for ethanol detection and polarization maintaining THz applications.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Additional Information:	This is an open access article under the CC-BY-NC-ND 4.0 International (CC BY-NC-ND 4.0)
Publisher:	Elsevier
ISSN:	1110-0168
Date of First Compliant Deposit:	10 May 2022
Date of Acceptance:	14 February 2022
Last Modified:	24 May 2023 16:24
URI:	https://orca.cardiff.ac.uk/id/eprint/149662

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