Infrared and Laser Engineering, Volume. 53, Issue 3, 20240007(2024)
Design and transmission characteristics of high-order orbital angular momentum transmission fiber (inside back cover paper)
Figures & Tables(16)
Fig. 2. Change of mode purity and effective refractive index difference with
Fig. 3. Influence of the thickness of the ring transmission area on the transmission performance. (a) Effect on the number of transmitted OAM; (b) Effect on mode purity and effective refractive index difference
Fig. 4. Structure combination and corresponding effective refractive index difference and mode purity. (a) Effective refractive index difference; (b) Mode purity
Fig. 5. Diagram of electric field distribution in
Fig. 7. Change of effective refractive index with wavelength. (a) Change of effective refractive index of HE mode with wavelength; (b) Change of effective refractive index of EH mode with wavelength
Fig. 8. Change of effective refractive index difference with wavelength
Fig. 9. Change of confinement loss with wavelength. (a) Change of the confinement loss of HE mode with wavelength; (b) Change of the confinement loss of EH modes with wavelength
Fig. 10. Change of effective mode field area with wavelength. (a) Change of effective mode field area of HE mode with wavelength; (b) Change of effective mode field area of EH mode with wavelength
Fig. 11. Change of nonlinear coefficient with wavelength. (a) Change of nonlinear coefficient of HE mode with wavelength; (b) Change of nonlinear coefficient of EH mode with wavelength
Fig. 12. Change of dispersion with wavelength. (a) Change of HE mode dispersion with wavelength; (b) Change of EH mode dispersion with wavelength
Fig. 13. Change of mode purity with wavelength. (a) Change of mode purity of HE mode with wavelength; (b) Change of mode purity of EH mode with wavelength
Fig. 14. Effects of manufacturing errors. (a) Effects of manufacturing errors of rectangular air holes; (b) Effect of circular air holes and ring manufacturing errors
Table 1. The supported number of transmitted OAM corresponding to the structure combination
View tableView in ArticleTable 1. The supported number of transmitted OAM corresponding to the structure combination
Ring thickness/μm a=7.0 a=7.2 a=7.4 a=7.6 a=7.8 r=1.5 138 138 138 138 138 r=1.6 142 142 142 142 142 r=1.7 146 146 146 146 146 r=1.8 150 150 150 150 146 r=1.9 150 150 150 150 150 r=2.0 150 150 150 150 150 r=2.1 150 150 150 150 150 r=2.2 150 150 150 146 146 r=2.3 142 142 146 146 146 r=2.4 142 146 146 142 146 r=2.5 142 142 142 142 142
Table 2. Compared with typical photonic crystal fiber
View tableView in ArticleTable 2. Compared with typical photonic crystal fiber
Ref. Shape & Material N ${\gamma _{\min }}$ Lmax/dB∙m−1 $\Delta {D_{\min }}$ Mode quality [ 14 ]Circle & Schott SF6 56 - 10−8 - >80% [ 28 ]Elliptical & Silica 80 0.55 10−8 23.1 - [ 29 ]Bezier & SiO2 38 1.04 10−6 4.75 >85% [ 30 ]Circle & GeO2-SiO2 48 0.93 10−3 - - [ 31 ]Circle & SiO2 30 2.178 10−7 3.59 >90.67% [ 32 ]Circle & Schott SF6 48 - 10−8 - >95% Proposed Rectangle & 1.56 high-index material 142 0.397 10−9 1.46 >93.4%
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Lijuan Zhao, Yujing Wu, Zhiniu Xu. Design and transmission characteristics of high-order orbital angular momentum transmission fiber (inside back cover paper)[J]. Infrared and Laser Engineering, 2024, 53(3): 20240007
Paper Information
Category: Optical communication and sensing
Received: Nov. 27, 2023
Accepted: --
Published Online: Jun. 21, 2024
The Author Email: Xu Zhiniu (wzcnjxx@163.com)
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