Rodigheri, M;
Barbosa, FA;
Ferreira, FM;
Gallep, CM;
Conforti, E;
(2024)
Comparative Analysis of Modal Dispersion in Graded-Index Multimode Fibers.
In:
2024 SBFoton International Optics and Photonics Conference, SBFoton IOPC 2024.
IEEE: Salvador, Brazil.
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Abstract
In this paper, we compare the modal dispersion (MD) in standard and bend-insensitive graded-index multimode fibers (GI-MMFs and BI-MMFs). By selectively exciting 45 modes across 9 mode groups, we observed a maximum differential group delay (between mode group 9 and mode group 1) of 1.14 ns/km in BI-MMF and 2.02 ns/km in standard MMF. The reduced modal dispersion in BI-MMFs is attributed to their trench-structured index profile. Additionally, we discuss the effects of mode coupling on signal integrity and the complexities it introduces for equalization in multimode optical systems.
| Type: | Proceedings paper |
|---|---|
| Title: | Comparative Analysis of Modal Dispersion in Graded-Index Multimode Fibers |
| Event: | 2024 SBFoton International Optics and Photonics Conference (SBFoton IOPC) |
| Dates: | 11 Nov 2024 - 13 Nov 2024 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/SBFotonIOPC62248.2024.10813529 |
| Publisher version: | https://doi.org/10.1109/sbfotoniopc62248.2024.1081... |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Couplings, Optical fibers, Optical coupling, Delays, Indexes, Standards, Signal integrity, Optical fiber dispersion, Photonics, Optical pulses |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10204917 |
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