Analytical optimization of wideband nonlinear optical fiber communication systems

Author:

Liu Zheng1,Xu Tianhua123ORCID,Jin Cenqin2,Xu Tongyang3ORCID,Tan Mingming4ORCID,Zhao Jian1,Liu Tiegen1

Affiliation:

1. Tianjin University

2. University of Warwick

3. University College London

4. Aston University

Abstract

In the design of fiber links for both continental and transoceanic optical communication systems, the optimization of span length is of high importance from both performance and cost perspectives. In this work, the maximization of signal-to-noise ratio (SNR) is investigated by optimizing the span length in wideband (up to 4.5-THz) Nyquist-spaced optical fiber communication systems. A simple and accurate closed-form expression of the optimal span length is provided, and a quick estimation of SNR is also described for practically feasible and cost-effective span length values.

Funder

HORIZON EUROPE Marie Sklodowska-Curie Actions

National Key Scientific Instrument and Equipment Development Projects of China

Engineering and Physical Sciences Research Council

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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