Low Loss Hollow-Core Connecting-Circle Negative-Curvature Fibres

Low Loss Hollow-Core Connecting-Circle Negative-Curvature Fibres

Hollow-core negative-curvature fibres have been the focus of current research, but how to reduce the loss of hollow-core negative-curvature fibres is a serious problem. This paper proposes a new structure of hollow-core negative-curvature fibres, that is numerically simulated using the finite-elemen...

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Bibliographic Details
Main Authors: Boyi Yang, Xuesheng Liu, Wenzeng Jia, Shu Liu, Kai Mei, Tingwu Ge, Dengcai Yang, Youqiang Liu, Tian Lan, Zhiyong Wang
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Photonics Journal
Subjects:
Hollow-core negative-curvature fibres
anti-resonant
ultralow loss
Online Access:https://ieeexplore.ieee.org/document/9328567/
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Summary:Hollow-core negative-curvature fibres have been the focus of current research, but how to reduce the loss of hollow-core negative-curvature fibres is a serious problem. This paper proposes a new structure of hollow-core negative-curvature fibres, that is numerically simulated using the finite-element method, and compared with the simulation results of hollow-core conjoined-tube negative curvature fibres (CTNCFs) and hollow-core nested anti-resonant nodeless fibres (NANFs). The results show that, the LP<sub>01</sub> mode loss can reach 0.003694 dB&#x002F;km with a transmission wavelength of 1.06 &#x03BC;m, the LP<sub>11</sub> mode loss can be as low as 0.28423 dB&#x002F;km, and the bending loss is 0.4405 dB&#x002F;km with a bending radius of 5 cm and a transmission wavelength of 1.06 &#x03BC;m. The loss is reduced by an order of magnitude compared to CTNCFs and NANFs.
ISSN:1943-0655

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