Yang, Jiaqian;
Jarmolovičius, Mindaugas;
Gan, Zelin;
Buglia, Henrique;
Sohanpal, Ronit;
Aparecido, Romulo;
Sillekens, Eric;
... Bayvel, Polina; + view all
(2025)
Challenges and Breakthroughs in Modelling and Designing Ultrawideband Optical Fibre Communication Systems and Networks.
Journal of Lightwave Technology
10.1109/jlt.2025.3640009.
(In press).
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Abstract
The role of ultrawideband transmission in future telecommunications systems has been actively discussed and debated over the past decade. Despite the challenges posed by the need for new optical sources, modulators, coherent receivers, optical amplifiers, and fibre types, significant theoretical and experimental progress has been made in recent years. This paper reviews the key challenges and breakthroughs in ultrawideband transmission modelling and experiments, and examines their potential impact on optical network throughput. We present modelling results for extending the utilised bandwidth from the C-band (4 THz) to the full O- to U-band range (60 THz), as well as our experimental demonstrations of ultrawideband transmission over distances exceeding 1000 km.
| Type: | Article |
|---|---|
| Title: | Challenges and Breakthroughs in Modelling and Designing Ultrawideband Optical Fibre Communication Systems and Networks |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/jlt.2025.3640009 |
| Publisher version: | https://doi.org/10.1109/jlt.2025.3640009 |
| 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: | Bandwidth , Terahertz communications , Computational modeling , Mathematical models , Throughput , Stimulated emission , Optical fiber amplifiers , Numerical models , Wavelength division multiplexing , Signal to noise ratio |
| 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/10218824 |
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