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Coding techniques for space-division multiplexed optical fiber systems

Abstract : In a very fast pace, the last two decades have known an exponential growth in the demand for more optical network capacity, this growth was mainly caused by the built-out of the Internet and the growing traffic generated by an increasing number of users. Since frequency, time, phase, polarization have already been used to satisfy the demand for bandwidth, space-division multiplexing (SDM) remains the only available degree of freedom that can be used in optical transmission systems in order to increase the capacity. However, interactions between spatial channels in the same propagation medium is inevitable. These interactions, if not compensated, result in impairments that deteriorate the system performance. For this purpose, intensive research is being carried out in recent years in order to provide advanced signal processing capable to deal with these impairments in spatial multiplexing systems. Motivated by the potential role of multi-mode fibers (MMFs) in future SDM systems, in this thesis, we present modern coding solutions to mitigate the non-unitary crosstalk known as mode-dependent loss (MDL) that affects spatial modes of MMFs resulting in degraded system performance.
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Submitted on : Wednesday, November 3, 2021 - 12:20:13 PM
Last modification on : Tuesday, August 16, 2022 - 3:42:32 PM


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  • HAL Id : tel-03412785, version 1


El Mehdi Amhoud. Coding techniques for space-division multiplexed optical fiber systems. Networking and Internet Architecture [cs.NI]. Télécom ParisTech, 2017. English. ⟨NNT : 2017ENST0067⟩. ⟨tel-03412785⟩



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