Owing to the progress of dense wavelength-division multiplexing (WDM) technology using an optical-fiber amplifier, we can exchange large amounts of data at a rate of 100 Tbit/s class over several hundred kilometers. However, it is widely recognized that the maximum transmission capacity of a single strand of fiber is rapidly approaching its limit of ~100 Tbit/s owing to the optical power limitations imposed by the fiber fuse phenomenon and the finite transmission bandwidth determined by optical-fiber amplifiers. To overcome these limitations, space-division multiplexing (SDM) technologies using a multi-core fiber (MCF) were proposed. The fiber fuse experiments of MCFs at 1.55 μm were conducted using two types of MCFs: homogeneous 7-core MCF and heterogeneous 6-core MCF. The fiber fuse effect in these MCFs was studied theoretically by the explicit finite-difference method using the thermochemical SiOx production model. In the calculation, we assumed that two types of MCFs have a simple refractive-index profile, which is similar to that of doubly clad single-mode fibers. The calculated threshold power Pth of the homogeneous MCF was 1.19-1.25 W, which was close to the experimental Pth value of SMF. On the other hand, the Pth of small core fiber in heterogeneous MCF was 0.89 W. It was found that the Pth values of two types of MCFs were proportional to their cross sectional area Aeff values. Next, the cross sectional area A of the vaporized core was estimated using the proportionality constant Vf / P0 of MCFs and SMF at P0 ³ 5 W. The A values of homogeneous MCF and SMF were close to their Aeff values. On the other hand, the A value of small core fiber in heterogeneous MCF was larger than its Aeff value. From these results, it was concluded that the plasma, which occurred in the vaporized core, tends to expand in the small-Aeff fiber. Furthermore, it was found that in the neighboring core layers the generation and propagation of fiber fuse was hindered during fiber fuse propagation in the heated core of homogeneous and/or heterogeneous MCF.
| Published in | Journal of Electrical and Electronic Engineering (Volume 10, Issue 4) |
| DOI | 10.11648/j.jeee.20221004.15 |
| Page(s) | 162-169 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Fiber Fuse Phenomenon, Multi-Core Fibers, Finite-Difference Technique
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APA Style
Yoshito Shuto. (2022). Fiber Fuse Simulation in Multi-Core Fibers for Space Division Multiplexed Transmission. Journal of Electrical and Electronic Engineering, 10(4), 162-169. https://doi.org/10.11648/j.jeee.20221004.15
ACS Style
Yoshito Shuto. Fiber Fuse Simulation in Multi-Core Fibers for Space Division Multiplexed Transmission. J. Electr. Electron. Eng. 2022, 10(4), 162-169. doi: 10.11648/j.jeee.20221004.15
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Download@article{10.11648/j.jeee.20221004.15,
author = {Yoshito Shuto},
title = {Fiber Fuse Simulation in Multi-Core Fibers for Space Division Multiplexed Transmission},
journal = {Journal of Electrical and Electronic Engineering},
volume = {10},
number = {4},
pages = {162-169},
doi = {10.11648/j.jeee.20221004.15},
url = {https://doi.org/10.11648/j.jeee.20221004.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20221004.15},
abstract = {Owing to the progress of dense wavelength-division multiplexing (WDM) technology using an optical-fiber amplifier, we can exchange large amounts of data at a rate of 100 Tbit/s class over several hundred kilometers. However, it is widely recognized that the maximum transmission capacity of a single strand of fiber is rapidly approaching its limit of ~100 Tbit/s owing to the optical power limitations imposed by the fiber fuse phenomenon and the finite transmission bandwidth determined by optical-fiber amplifiers. To overcome these limitations, space-division multiplexing (SDM) technologies using a multi-core fiber (MCF) were proposed. The fiber fuse experiments of MCFs at 1.55 μm were conducted using two types of MCFs: homogeneous 7-core MCF and heterogeneous 6-core MCF. The fiber fuse effect in these MCFs was studied theoretically by the explicit finite-difference method using the thermochemical SiOx production model. In the calculation, we assumed that two types of MCFs have a simple refractive-index profile, which is similar to that of doubly clad single-mode fibers. The calculated threshold power Pth of the homogeneous MCF was 1.19-1.25 W, which was close to the experimental Pth value of SMF. On the other hand, the Pth of small core fiber in heterogeneous MCF was 0.89 W. It was found that the Pth values of two types of MCFs were proportional to their cross sectional area Aeff values. Next, the cross sectional area A of the vaporized core was estimated using the proportionality constant Vf / P0 of MCFs and SMF at P0 ³ 5 W. The A values of homogeneous MCF and SMF were close to their Aeff values. On the other hand, the A value of small core fiber in heterogeneous MCF was larger than its Aeff value. From these results, it was concluded that the plasma, which occurred in the vaporized core, tends to expand in the small-Aeff fiber. Furthermore, it was found that in the neighboring core layers the generation and propagation of fiber fuse was hindered during fiber fuse propagation in the heated core of homogeneous and/or heterogeneous MCF.},
year = {2022}
}
TY - JOUR T1 - Fiber Fuse Simulation in Multi-Core Fibers for Space Division Multiplexed Transmission AU - Yoshito Shuto Y1 - 2022/08/31 PY - 2022 N1 - https://doi.org/10.11648/j.jeee.20221004.15 DO - 10.11648/j.jeee.20221004.15 T2 - Journal of Electrical and Electronic Engineering JF - Journal of Electrical and Electronic Engineering JO - Journal of Electrical and Electronic Engineering SP - 162 EP - 169 PB - Science Publishing Group SN - 2329-1605 UR - https://doi.org/10.11648/j.jeee.20221004.15 AB - Owing to the progress of dense wavelength-division multiplexing (WDM) technology using an optical-fiber amplifier, we can exchange large amounts of data at a rate of 100 Tbit/s class over several hundred kilometers. However, it is widely recognized that the maximum transmission capacity of a single strand of fiber is rapidly approaching its limit of ~100 Tbit/s owing to the optical power limitations imposed by the fiber fuse phenomenon and the finite transmission bandwidth determined by optical-fiber amplifiers. To overcome these limitations, space-division multiplexing (SDM) technologies using a multi-core fiber (MCF) were proposed. The fiber fuse experiments of MCFs at 1.55 μm were conducted using two types of MCFs: homogeneous 7-core MCF and heterogeneous 6-core MCF. The fiber fuse effect in these MCFs was studied theoretically by the explicit finite-difference method using the thermochemical SiOx production model. In the calculation, we assumed that two types of MCFs have a simple refractive-index profile, which is similar to that of doubly clad single-mode fibers. The calculated threshold power Pth of the homogeneous MCF was 1.19-1.25 W, which was close to the experimental Pth value of SMF. On the other hand, the Pth of small core fiber in heterogeneous MCF was 0.89 W. It was found that the Pth values of two types of MCFs were proportional to their cross sectional area Aeff values. Next, the cross sectional area A of the vaporized core was estimated using the proportionality constant Vf / P0 of MCFs and SMF at P0 ³ 5 W. The A values of homogeneous MCF and SMF were close to their Aeff values. On the other hand, the A value of small core fiber in heterogeneous MCF was larger than its Aeff value. From these results, it was concluded that the plasma, which occurred in the vaporized core, tends to expand in the small-Aeff fiber. Furthermore, it was found that in the neighboring core layers the generation and propagation of fiber fuse was hindered during fiber fuse propagation in the heated core of homogeneous and/or heterogeneous MCF. VL - 10 IS - 4 ER -
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