• Acta Optica Sinica
  • Vol. 42, Issue 2, 0206002 (2022)
Wenjie Wang1、2, Ke Tong1、2, and Lian Xiang1、2、*
Author Affiliations
  • 1School of Electronic Information and Engineering, Soochow University, Suzhou, Jiangsu 215006, China
  • 2Key Laboratory of Advanced Optical Communication Network Technology, Soochow University, Suzhou, Jiangsu 215006, China
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    DOI: 10.3788/AOS202242.0206002 Cite this Article Set citation alerts
    Wenjie Wang, Ke Tong, Lian Xiang. Distribution Characteristics of Inter-Core Crosstalk in Weakly Coupled Multicore Fibers[J]. Acta Optica Sinica, 2022, 42(2): 0206002 Copy Citation Text show less
    Structural diagram of multiple input weak coupling three-core fiber
    Fig. 1. Structural diagram of multiple input weak coupling three-core fiber
    Structural diagram of 7-core fiber with multiple input weak coupling
    Fig. 2. Structural diagram of 7-core fiber with multiple input weak coupling
    Normalized power as a function of longitudinal transmission distance of incident fiber core and coupled fiber core in case of multiple-core interference. (a) 3-core fiber; (b) 7-core fiber
    Fig. 3. Normalized power as a function of longitudinal transmission distance of incident fiber core and coupled fiber core in case of multiple-core interference. (a) 3-core fiber; (b) 7-core fiber
    ICXT as a function of longitudinal transmission distance for 3-core fiber with multiple core interference
    Fig. 4. ICXT as a function of longitudinal transmission distance for 3-core fiber with multiple core interference
    ICXT as a function of longitudinal transmission distance for 7-core fiber with multiple core interference
    Fig. 5. ICXT as a function of longitudinal transmission distance for 7-core fiber with multiple core interference
    Schematic diagram of multiple interference fiber simplified to single input fiber
    Fig. 6. Schematic diagram of multiple interference fiber simplified to single input fiber
    ParameterValue
    Core radius a /μm4
    Refractive index of cladding ncl1.4381
    Refractive index of core1.4453
    Relative refractive index betweencore and cladding Δ1 /%0.5
    Distance between adjacent cores D /μm30
    Bending radius Rb /mm200
    Twisting rate γ /(rad·m-1)
    Wavelength λ /nm1550
    Correlation length dc /m0.01
    Table 1. Main parameters of step-index homogeneous MCF
    Wenjie Wang, Ke Tong, Lian Xiang. Distribution Characteristics of Inter-Core Crosstalk in Weakly Coupled Multicore Fibers[J]. Acta Optica Sinica, 2022, 42(2): 0206002
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