Quasi-Spatially Periodic Signals for Optical Fibre Communications

Quasi-Spatially Periodic Signals for Optical Fibre Communications

Abstract We study quasi-spatially periodic signals (QSPSs) as a class of input signals of interest, which maintain their shapes quasi-periodically (with a phase change and a time shift) during propagation in an optical fibre. Instead of the computationally expensive nonlinear Fourier transform (NFT)...

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Bibliographic Details
Main Authors: Qun Zhang, Terence H. Chan, Alex Grant
Format: Article
Language:English
Published: Nature Publishing Group 2018-10-01
Series:Scientific Reports
Subjects:
Nonlinear Fourier Transform (NFT)
Signal Design Problem
Spectral Domain Signal
Optical Time Division Multiplexing (OTDM)
Arrival Time Jitter
Online Access:https://doi.org/10.1038/s41598-018-33589-3
Description
Summary:Abstract We study quasi-spatially periodic signals (QSPSs) as a class of input signals of interest, which maintain their shapes quasi-periodically (with a phase change and a time shift) during propagation in an optical fibre. Instead of the computationally expensive nonlinear Fourier transform (NFT), the property of quasi-periodic shape invariant could be used as an alternative for decoding at the receiver. In this paper, properties of QSPSs and the signal design problem are studied, including the trade-off between various system parameters.
ISSN:2045-2322

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