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Estimation of the performance improvement of pre-amplified PAM4 systems when using multi-section semiconductor optical amplifiers

Ó Dúill, Seán P. ORCID: 0000-0002-7690-4474, Landais, Pascal ORCID: 0000-0002-4807-0695 and Barry, Liam P. ORCID: 0000-0001-8366-4790 (2017) Estimation of the performance improvement of pre-amplified PAM4 systems when using multi-section semiconductor optical amplifiers. Applied Sciences, 7 (9). ISSN 2076-3417

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Abstract

Multi-section semiconductor optical amplifiers (SOA) have been shown to have superior noise and linearity performance compared with single section SOAs. We show how to create a simplified numerical model for multi-section SOAs that is suitable for optical communication system simulations and use that model to investigate the amplification performance of 56 Gbit/s four-level pulse amplitude modulation signals. We find that a multi-section SOA could provide an improvement in input power dynamic range exceeding 3 dB compared to a single section SOA that has the same unsaturated gain.

Item Type:Article (Published)
Refereed:Yes
Additional Information:Article number 908
Uncontrolled Keywords:semiconductor optical amplifier; pulse amplitude modulation; noise
Subjects:Engineering > Optical communication
Physical Sciences > Lasers
Physical Sciences > Semiconductors
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Publisher:MDPI
Official URL:http://dx.doi.org/10.3390/app7090908
Copyright Information:© 2017 The Authors. Open Access. CC-BY-4.0
ID Code:24860
Deposited On:24 Jul 2020 11:27 by Pascal Landais . Last Modified 31 Jul 2020 13:56

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