Ring-core fiber with negative curvature structure supporting orbital angular momentum modes Article Swipe
Jiajing Tu
,
Zhengyong Liu
,
Shecheng Gao
,
Zhuo Wang
,
Jianbo Zhang
,
Bin Zhang
,
Jianping Li
,
Weiping Liu
,
Hwa‐Yaw Tam
,
Zhaohui Li
,
Changyuan Yu
,
Chao Lü
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1364/oe.27.020358
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1364/oe.27.020358
Compared to glass walls with a positive curvature, those with a negative curvature have been proven to have stronger confinement of light. Therefore, we change the multi-layered air holes in a photonic crystal fiber into several negative curvature tubes. As a result, the confinement medium is shifted from a low-index cladding material into a special structure. The theoretical analysis shows that each vector eigenmode has a corresponding threshold value for the outer tube thickness. It means that we can confine the target modes and filter the unnecessary modes by shifting the outer tube thickness. After substantial investigation on this fiber, we obtain the appropriate values for each structural parameter and then fabricate this negative curvature ring-core fiber under the guidance of the simulation results. Firstly, we draw the central cane under vacuum condition, then stack the cane and six capillaries to form the preform, and finally draw the ring-core fiber by using vacuumization method. The fiber test experiment indicates that the fiber length should be at least 15 m∼20 m to form the donut facula, and the tested losses of OAM+1,1, OAM+2,1, OAM+3,1, and OAM+4,1 are 0.30 dB/m, 0.36 dB/m, 0.37 dB/m, and 0.42 dB/m, respectively.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1364/oe.27.020358
- OA Status
- gold
- Cited By
- 31
- References
- 23
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2961113296
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2961113296Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1364/oe.27.020358Digital Object Identifier
- Title
-
Ring-core fiber with negative curvature structure supporting orbital angular momentum modesWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2019Year of publication
- Publication date
-
2019-07-09Full publication date if available
- Authors
-
Jiajing Tu, Zhengyong Liu, Shecheng Gao, Zhuo Wang, Jianbo Zhang, Bin Zhang, Jianping Li, Weiping Liu, Hwa‐Yaw Tam, Zhaohui Li, Changyuan Yu, Chao LüList of authors in order
- Landing page
-
https://doi.org/10.1364/oe.27.020358Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.1364/oe.27.020358Direct OA link when available
- Concepts
-
Cladding (metalworking), Optics, Curvature, Photonic-crystal fiber, Core (optical fiber), Materials science, Fiber, Graded-index fiber, Physics, Optical fiber, Geometry, Fiber optic sensor, Composite material, MathematicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
31Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 4, 2024: 5, 2023: 11, 2022: 3, 2021: 4Per-year citation counts (last 5 years)
- References (count)
-
23Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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