Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/106867
Title: | Mode analysis of orbital angular momentum modes carrying multi-mode ring-core fibers | Authors: | Tu, J Lu, Q Wang, Z Gao, S Liu, W Yu, C Li, Z Lu, C |
Issue Date: | 15-Nov-2021 | Source: | Optics communications, 15 Nov. 2021, v. 499, 127314 | Abstract: | We discuss the mode properties for orbital angular momentum (OAM) modes supporting multi-mode ring-core fiber (MM-RCF). For strongly-guiding MM-RCF, by introducing one more layer to the ring-core, a two-layer ring-core fiber (TL-RCF) is proposed. It is proven that this TL-RCF can increase the separation degree between the vector eigenmodes and meanwhile weaken the spin–orbit coupling. For mode-group supporting MM-RCF, the maximum mode number is limited by the thickness of ring-core and the cut-off of radial higher-order mode. We also present the tradeoff relationship between the mode group effective index difference and inter-eigenmode differential mode delay in one mode group. The discussion in this paper can give guidance for the design of MM-RCF. | Keywords: | Mode analysis Orbital angular momentum Ring-core fiber Space division multiplexing |
Publisher: | Elsevier BV | Journal: | Optics communications | ISSN: | 0030-4018 | EISSN: | 1873-0310 | DOI: | 10.1016/j.optcom.2021.127314 | Rights: | © 2021 Elsevier B.V. All rights reserved. © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Tu, J., Lu, Q., Wang, Z., Gao, S., Liu, W., Yu, C., ... & Lu, C. (2021). Mode analysis of orbital angular momentum modes carrying multi-mode ring-core fibers. Optics Communications, 499, 127314 is available at https://doi.org/10.1016/j.optcom.2021.127314. |
Appears in Collections: | Journal/Magazine Article |
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Wang_Mode_Analysis_Orbital.pdf | Pre-Published version | 4.46 MB | Adobe PDF | View/Open |
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