Study On Optical Communications, Volume. 51, Issue 2, 240038-01(2025)
Design of High Nonlinear Photonic Crystal Fiber with Low Loss Spiral Structure
Figures & Tables(9)
Fig. 1. The cross-sectional structure of the helical PCF and the influence of the low refractive index ring on the fundamental mode field distribution
Fig. 2. Relationship between confinement loss Lc(λ) and wavelength λ
Fig. 3. When the radius of the low refractive index ring changes from 0.6 to 0.8 μm, the effective refractive index neff and dispersion D change with the wavelength λ
Fig. 4. Variation of effective mode field area Aeff and nonlinear coefficient γ with wavelength λ for different core radius
Fig. 5. Changes of effective mode field area Aeff and nonlinear coefficient γ with wavelength λ under different pore spacing and pore radius
Table 1. Sellmeir coefficients of relevant materials at standard temperatures
View tableView in ArticleTable 1. Sellmeir coefficients of relevant materials at standard temperatures
材料 B1 B2 B3 C1 C2 C3 As2Se3 2.984 630 00 3.210 110 00 100.182 000 00 0.441 180 0 0.000 354 9 384.130 000 SiO2 0.696 166 30 0.407 942 60 0.897 479 40 0.068 404 3 0.116 241 4 98.961 610 GeO2 0.806 866 42 0.718 158 48 0.854 168 31 0.068 972 6 0.153 966 1 11.841 931
Table 2. The performance of the proposed fiber
View tableView in ArticleTable 2. The performance of the proposed fiber
工作波长/μm 光纤参数（d1=0.8 μm，Λ=2.2 μm，R1=0.34 μm，R2=0.7 μm） D/ps·nm-1·km-1 Lc×10-8/dB/m Aeff/μm2 γ/W-1·km-1 1 -1 619.390 0.061 0.70 248 630 2 86.297 0.064 1.17 79 157 3 583.416 0.897 1.67 34 972 4 667.465 0.442 2.48 16 260 5 534.806 0.321 3.80 8 099 6 -1 224.910 0.452 5.91 3 832 7 -3 715.600 12.869 12.10 813
Table 3. Comparison between this work and the recent reported literature
View tableView in ArticleTable 3. Comparison between this work and the recent reported literature
参考年份 γ/W-1·km-1 Lc/dB/m D/ps·nm-1·km-1 零色散波长/nm In（2020）[ 23 ]6 200 10-8 0 1 550 In（2020）[ 17 ]8 000 10-7 50 1 000 In（2021）[ 26 ]6 585 0.24 -260 3 900 In（2022）[ 27 ]2.1×104 - -200 2 000 本文 6.7×104 10-8 -284 1 800、4 100、6 900
Table 4. Analysis of manufacturing error of optical fibers
View tableView in ArticleTable 4. Analysis of manufacturing error of optical fibers
结构参数的变化量 纤芯半径变化的影响（d1=0.8 μm，Λ=2.2 μm，R2=0.7 μm） 气孔间距变化的影响（d1=0.8 μm，R1=0.34 μm，R2=0.7 μm） R1/mm Lc/dB/m γ/W-1·km-1 γ的改变量（%） Λ/mm Lc/dB/m γ/W-1·km-1 γ的改变量（%） -20% 0.272 3.49 78.260 1.24 1.62 3.65 79.172 0.018 -10% 0.306 1.88 78.896 0.44 2.16 2.78 79.166 0.011 0 0.340 7.07 79.246 0 2.40 2.83 79.157 0 10% 0.374 2.49 78.901 0.43 2.64 3.11 79.146 0.013 20% 0.408 1.78 78.583 0.83 2.88 2.80 79.156 0.024
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Zhijun TIAN, Jie DONG, Shanglin HOU, Jingli LEI, Gang WU, Zuyong YAN. Design of High Nonlinear Photonic Crystal Fiber with Low Loss Spiral Structure[J]. Study On Optical Communications, 2025, 51(2): 240038-01
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Received: Mar. 29, 2024
Accepted: --
Published Online: May. 22, 2025
The Author Email: Shanglin HOU (houshanglin@vip.163.com)
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