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    Journals >Acta Optica Sinica >Volume 42 >Issue 16 >Page 1606006 > Article
    • Acta Optica Sinica
    • Vol. 42, Issue 16, 1606006 (2022)
    Design and Characteristics of Rectangular-Assistant Ring-Core Fiber for Space Division Multiplexing
    Jingjing Zheng**, Yujing Song, Li Pei*, Zichen Tian, Wenxuan Xu, Tigang Ning, Jing Li, Jianshuai Wang, and Bing Bai
    Author Affiliations
  • Key Laboratory of All Optical Network＆Advanced Telecommunication Network of EMC, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
    • show less
    DOI: 10.3788/AOS202242.1606006 Cite this Article Set citation alerts
    Jingjing Zheng, Yujing Song, Li Pei, Zichen Tian, Wenxuan Xu, Tigang Ning, Jing Li, Jianshuai Wang, Bing Bai. Design and Characteristics of Rectangular-Assistant Ring-Core Fiber for Space Division Multiplexing[J]. Acta Optica Sinica, 2022, 42(16): 1606006 Copy Citation Text show less
    Fiber structures and refractive index distributions of five baht money and RRF. Cross sections of (a) ordinary fibers and (b) RRF;(c) picture of five baht money[33]; refractive index distributions of RRF in (d) x-axis and (e) y-axis directions
    Fig. 1. Fiber structures and refractive index distributions of five baht money and RRF. Cross sections of (a) ordinary fibers and (b) RRF;(c) picture of five baht money[33]; refractive index distributions of RRF in (d) x-axis and (e) y-axis directions
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    Calculated neff of ordinary step-index fiber and rectangular-assistant ring-core fiber for different modes. (a) Ordinary step-index fiber; (b) rectangular-assistant ring-core fiber
    Fig. 2. Calculated neff of ordinary step-index fiber and rectangular-assistant ring-core fiber for different modes. (a) Ordinary step-index fiber; (b) rectangular-assistant ring-core fiber
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    Relationship among neff, rectangle length a, and rectangle width b. (a) Relationship between neff and rectangle length a for b=2 μm; (b) relationship between neff and rectangle width b for a=19 μm
    Fig. 3. Relationship among neff, rectangle length a, and rectangle width b. (a) Relationship between neff and rectangle length a for b=2 μm; (b) relationship between neff and rectangle width b for a=19 μm
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    Relationship among Δneff between LP01 and LP11,a, rectangle length a, and rectangle length b at different wavelength. (a) Relationship between Δneff and rectangle length a for b=2 μm; (b) relationship between Δneff and rectangle width b for a=19 μm
    Fig. 4. Relationship among Δneff between LP01 and LP11,a, rectangle length a, and rectangle length b at different wavelength. (a) Relationship between Δneff and rectangle length a for b=2 μm; (b) relationship between Δneff and rectangle width b for a=19 μm
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    Relationship among Δneff between LP11,a and LP11,b,rectangle length a, and rectangle length b at different wavelength. (a) Relationship between Δneff and rectangle length a for b=2 μm; (b) relationship between Δneff and rectangle width b for a=19 μm
    Fig. 5. Relationship among Δneff between LP11,a and LP11,b,rectangle length a, and rectangle length b at different wavelength. (a) Relationship between Δneff and rectangle length a for b=2 μm; (b) relationship between Δneff and rectangle width b for a=19 μm
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    Modal profiles of RRF
    Fig. 6. Modal profiles of RRF
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    Scheme of preparation of RRF
    Fig. 7. Scheme of preparation of RRF
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    Cross section of rounded RRF
    Fig. 8. Cross section of rounded RRF
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    neff of each mode varies with ra
    Fig. 9. neff of each mode varies with ra
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    Effect of offset of rectangle center point in x and y directions on fiber mode properties. (a) x direction; (b) y direction
    Fig. 10. Effect of offset of rectangle center point in x and y directions on fiber mode properties. (a) x direction; (b) y direction
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    Simulation parameterR /μmr /μma /μmb /μmn1n2
    Ordinary step-index fiber62.512.5--1.4491.444
    RRF62.512.51921.4491.444
    Table 1. Simulation parameters of ordinary step-index fiber and RRF
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    Jingjing Zheng, Yujing Song, Li Pei, Zichen Tian, Wenxuan Xu, Tigang Ning, Jing Li, Jianshuai Wang, Bing Bai. Design and Characteristics of Rectangular-Assistant Ring-Core Fiber for Space Division Multiplexing[J]. Acta Optica Sinica, 2022, 42(16): 1606006
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