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Title: Correlated eigenvalues of multi-soliton optical communications
Authors: Zhang, WQ
Gui, T 
Zhang, Q
Lu, C 
Monro, TM
Chan, TH
Lau, APT 
Shahraam Afshar, V
Issue Date: 2019
Publisher: Nature Publishing Group
Source: Scientific reports, 2019, v. 9, no. 1, 6399 How to cite?
Journal: Scientific reports 
Abstract: There is a fundamental limit on the capacity of fibre optical communication system (Shannon Limit). This limit can be potentially overcome via using Nonlinear Frequency Division Multiplexing. Dealing with noises in these systems is one of the most critical parts in implementing a practical system. In this paper, we discover and characterize the correlations among the NFT channels. It is demonstrated that the correlation is universal (i.e., independent of types of system noises) and can be exploited to maximize transmission throughput. We propose and experimentally confirm a noise model showing that end-to-end noise can be modelled as the accumulation of noise associated with each segment of optical communication which can be dealt with independently. Also, each point noise can be further decomposed into different components, some of which are more significant (and even dominating) than others. Hence, one can further approximate and simplify the noise model by focusing on the significant component.
EISSN: 2045-2322
DOI: 10.1038/s41598-019-42510-5
Rights: © The Author(s) 2019
Open Access: This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
The following publication Zhang, W. Q., Gui, T., Zhang, Q., Lu, C., Monro, T. M., Chan, T. H., ... & Afshar, V. S. (2019). Correlated eigenvalues of Multi-soliton optical Communications. Scientific reports, 9(1), 6399 is available at
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