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5 December 2024 Broadband dispersion compensating Ge-doped sandwiched ring-core photonic crystal fiber for OAM modes
Fuxiao Ma, Peili Li
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Proceedings Volume 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024); 134182K (2024) https://doi.org/10.1117/12.3048571
Event: 15th International Conference on Information Optics and Photonics (CIOP2024), 2024, Xi’an, China
Abstract
In order to solve the limitation of data transmission speed and transmission distances of the communication system due to the accumulated dispersion in Orbital Angular Momentum (OAM) transmission system, a Ge-doped Sandwich Ring-core Photonic Crystal fiber (SR-PCF) is proposed for OAM modes’ broadband dispersion compensation. SR-PCF is divided by the Ge-doped sandwich ring-core into two regions of the inner and outer claddings, which is conducive to negative dispersion. By optimizing structural parameters and doping percentages, the dispersion compensation properties of SR- PCF are improved. The proposed SR-PCF are numerically analyzed by the finite element method. The results show that SR-PCF has high negative dispersion of -63.31 and -62.14ps/(nm·km) of the OAM1,1~2,1 modes at 1.55μm with negative dispersion slope in the range of 1530~1570nm. In addition, its maximum confinement loss is only 2.18×10 -7dB/km. The proposed SR-PCF can be used for high order of orbital angular momentum modes’ broadband dispersion compensation in the mode division multiplexing systems and the construction of passive all-optical networks.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Fuxiao Ma and Peili Li "Broadband dispersion compensating Ge-doped sandwiched ring-core photonic crystal fiber for OAM modes", Proc. SPIE 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024), 134182K (5 December 2024); https://doi.org/10.1117/12.3048571
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KEYWORDS
Dispersion
Optical transmission
Photonic crystal fibers
Telecommunications
Multiplexing
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