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Design and research of dual hollow-core anti-resonant fiber polarization beam splitter operating at 1550-nm wavelength band.

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Title: Design and research of dual hollow-core anti-resonant fiber polarization beam splitter operating at 1550-nm wavelength band.
Authors: Tu, Xue-ying1 (AUTHOR), Li, Jian-she1,2 (AUTHOR) jianshelee@ysu.edu.cn, Zhang, Jing-qiong1 (AUTHOR), Li, Shu-guang1 (AUTHOR)
Source: European Physical Journal D (EPJ D). May2026, Vol. 80 Issue 5, p1-12. 12p.
Subjects: Beam splitters, Optical fibers, Coupled mode theory (Wave-motion), Wavelengths, Fibers, Optical fiber communication
Abstract: This paper proposes a dual hollow-core anti-resonant fiber polarizing beam splitter based on a composite structure of nested tubes and cladding tubes. Two circular cladding tubes and one circular nested tube are, respectively, introduced along the inner wall of the outer support tube on both sides of the x-axis, thereby dividing the fiber core into two symmetrically distributed cores, A and B. The air gap between them serves as the channel for dual-core mode coupling. By studying the influence of structural parameters and other factors on the performance of the beam-splitting device, the optimal device structure parameters are determined. When the device length is 5.46 cm, the Polarization Extinction Ratio is less than − 20 dB in the wavelength range of 1.54–2 μm, and polarization extinction ratios of − 48.1 dB and − 77.0 dB are achieved at 1.59 μm and 1.90 μm, respectively, covering a bandwidth of 460 nm. In the wavelength range of 1.4–1.82 μm, the extinction ratio of higher-order modes is greater than 100. This research has significant theoretical value and practical engineering significance for the construction of a complete communication fiber system transmission system. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194640319
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Design and research of dual hollow-core anti-resonant fiber polarization beam splitter operating at 1550-nm wavelength band.
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+D+%28EPJ+D%29%22">European Physical Journal D (EPJ D)</searchLink>. May2026, Vol. 80 Issue 5, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Beam+splitters%22">Beam splitters</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+fibers%22">Optical fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Coupled+mode+theory+%28Wave-motion%29%22">Coupled mode theory (Wave-motion)</searchLink><br /><searchLink fieldCode="DE" term="%22Wavelengths%22">Wavelengths</searchLink><br /><searchLink fieldCode="DE" term="%22Fibers%22">Fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+fiber+communication%22">Optical fiber communication</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper proposes a dual hollow-core anti-resonant fiber polarizing beam splitter based on a composite structure of nested tubes and cladding tubes. Two circular cladding tubes and one circular nested tube are, respectively, introduced along the inner wall of the outer support tube on both sides of the x-axis, thereby dividing the fiber core into two symmetrically distributed cores, A and B. The air gap between them serves as the channel for dual-core mode coupling. By studying the influence of structural parameters and other factors on the performance of the beam-splitting device, the optimal device structure parameters are determined. When the device length is 5.46 cm, the Polarization Extinction Ratio is less than − 20 dB in the wavelength range of 1.54–2 μm, and polarization extinction ratios of − 48.1 dB and − 77.0 dB are achieved at 1.59 μm and 1.90 μm, respectively, covering a bandwidth of 460 nm. In the wavelength range of 1.4–1.82 μm, the extinction ratio of higher-order modes is greater than 100. This research has significant theoretical value and practical engineering significance for the construction of a complete communication fiber system transmission system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1140/epjd/s10053-026-01143-w
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      – Code: eng
        Text: English
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      – SubjectFull: Beam splitters
        Type: general
      – SubjectFull: Optical fibers
        Type: general
      – SubjectFull: Coupled mode theory (Wave-motion)
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      – SubjectFull: Wavelengths
        Type: general
      – SubjectFull: Fibers
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      – SubjectFull: Optical fiber communication
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      – TitleFull: Design and research of dual hollow-core anti-resonant fiber polarization beam splitter operating at 1550-nm wavelength band.
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            NameFull: Tu, Xue-ying
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            NameFull: Li, Jian-she
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            NameFull: Zhang, Jing-qiong
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            NameFull: Li, Shu-guang
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            – D: 01
              M: 05
              Text: May2026
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              Y: 2026
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