Research on Noise Suppression in High-Speed Optical Communication Systems

Yuhang Tian

doi:10.54254/2755-2721/2025.20232

Research Article

Open access

Published on 13 January 2025

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Tian,Y. (2025). Research on Noise Suppression in High-Speed Optical Communication Systems. Applied and Computational Engineering,100,1-8.

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Research on Noise Suppression in High-Speed Optical Communication Systems

Yuhang Tian *^,1,

¹ Northeastern University at Qinhuangdao, School of Computer and Communication Engineering, Baitaling Street, HeBei, China

* Author to whom correspondence should be addressed.

https://doi.org/10.54254/2755-2721/2025.20232

Abstract

With the rapid advancement of optical fiber communication technology, the speed and distance of information transmission have increased unprecedentedly. Multi-core fibers (MCF), which contain multiple cores, enable high-capacity and high-density information transmission. However, during signal transmission, four-wave mixing (FWM) and intercore crosstalk (ICXT) noise are generated, significantly impacting signal propagation quality. Based on the characteristics of FWM and ICXT noise, two effective noise suppression schemes are proposed. The first scheme involves reducing noise power by increasing the wavelength interval or using non-equally spaced wavelengths to mitigate phase-matching conditions. The second scheme focuses on altering the structure of the MCF; in weakly coupled MCFs, longitudinal random bending, torsion, and structural fluctuations randomly affect the power coupling coefficient. According to the noise power formula, reducing the effective fiber length, increasing the core’s effective area, and using a band with a low nonlinear effect on the MCF can effectively minimize noise generation. Finally, we evaluate the proposed scheme and analyze and discuss the results.

Keywords

optical communication, multi-core fiber, four-wave mixing, intercore crosstalk, noise suppression

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Cite this article

Tian,Y. (2025). Research on Noise Suppression in High-Speed Optical Communication Systems. Applied and Computational Engineering,100,1-8.

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About volume

Volume title: Proceedings of the 5th International Conference on Signal Processing and Machine Learning

Conference website: https://2025.confspml.org/

ISBN：978-1-83558-689-1(Print) / 978-1-83558-690-7(Online)

Conference date: 8 February 2025

Editor：Stavros Shiaeles

Series: Applied and Computational Engineering

Volume number: Vol.100

ISSN：2755-2721(Print) / 2755-273X(Online)

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