Online digital compensation of pump dithering induced phase and amplitude distortions in transmission links with cascaded fibre-optical parametric amplifiers

Long Hoang Nguyen; Sonia Boscolo; Stylianos Sygletos

doi:10.1364/OE.516840

Online digital compensation of pump dithering induced phase and amplitude distortions in transmission links with cascaded fibre-optical parametric amplifiers

Long Hoang Nguyen^*, Sonia Boscolo, Stylianos Sygletos

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We present an advanced online digital signal processing (DSP) method for correcting the phase and amplitude distortions caused by the phase modulation of the pump source and its interaction with the dispersive fibre channel in transmission systems using cascaded fibre-optical parametric amplifiers. The proposed algorithm is numerically demonstrated to achieve significant (up to 3.7 dB for a four-tone pump-phase modulation scheme) Q2-factor performance improvement over conventional DSP in 16 quadrature-amplitude modulation signal transmission.

Original language	English
Pages (from-to)	13467-13477
Number of pages	11
Journal	Optics Express
Volume	32
Issue number	8
Early online date	27 Mar 2024
DOIs	https://doi.org/10.1364/OE.516840
Publication status	Published - 8 Apr 2024

Bibliographical note

Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Data Access Statement

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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10.1364/OE.516840

LH Nguyen et al_Online digital compensation of pump dithering induced phase and amplitude distortions in transmission links w cascaded fibre-optical parametric amplifiers
Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Final published version, 8.29 MBLicence: CC BY 4.0

Cite this

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abstract = "We present an advanced online digital signal processing (DSP) method for correcting the phase and amplitude distortions caused by the phase modulation of the pump source and its interaction with the dispersive fibre channel in transmission systems using cascaded fibre-optical parametric amplifiers. The proposed algorithm is numerically demonstrated to achieve significant (up to 3.7 dB for a four-tone pump-phase modulation scheme) Q2-factor performance improvement over conventional DSP in 16 quadrature-amplitude modulation signal transmission.",

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AU - Sygletos, Stylianos

N1 - Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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Online digital compensation of pump dithering induced phase and amplitude distortions in transmission links with cascaded fibre-optical parametric amplifiers

Abstract

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