Optimizing Optical Engine Features for Subsea Cable Systems

We introduce a taxonomy for subsea optical fiber cables as used for intercontinental telecommunications systems. With reference to this new classification, we describe how the design of optical engines has both influenced, and been influenced by, the development of subsea cables. We outline the pivo...

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Bibliographic Details
Published inJournal of lightwave technology pp. 1 - 9
Main Authors Varughese, Siddharth, Bennett, Geoff, Lavery, Domanic, Sun, Han, Mertz, Pierre
Format Journal Article
LanguageEnglish
Published IEEE 14.09.2024
Subjects
Dispersion
Optical fiber amplifiers
Optical fiber cables
Optical fiber dispersion
Optical fiber networks
Optical fibers
optical receivers
optical transmitters
signal processing algorithms
Transceivers
Underwater cables
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Summary:We introduce a taxonomy for subsea optical fiber cables as used for intercontinental telecommunications systems. With reference to this new classification, we describe how the design of optical engines has both influenced, and been influenced by, the development of subsea cables. We outline the pivotal role coherent transceivers have played in the development of high-capacity subsea cables, specifically with reference to advances in digital signal processing and coded modulation, and we highlight the opportunities and challenges of upgrading legacy systems with state-of-the-art coherent transceivers. In this work, we also look to future cable designs and ask how the availability of fundamentally new fiber types (specifically multicore and hollow core fibers) will have an influence on subsea cables and, once again, change transceiver requirements.
ISSN:0733-8724
DOI:10.1109/JLT.2024.3462094