Achievable Rate Comparison between Probabilistically- Shaped Single-Carrier and Entropy-Loaded Multi-Carrier Signaling in a Bandwidth-Limited 1-Tb/s Coherent System

Di Che; Xi Chen

doi:10.1364/OFC.2021.M3H.5

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper M3H.5
•https://doi.org/10.1364/OFC.2021.M3H.5

Achievable Rate Comparison between Probabilistically- Shaped Single-Carrier and Entropy-Loaded Multi-Carrier Signaling in a Bandwidth-Limited 1-Tb/s Coherent System

Di Che and Xi Chen

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

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AI Techniques and Advanced Processing (M3H)

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D. Che and X. Chen, "Achievable Rate Comparison between Probabilistically- Shaped Single-Carrier and Entropy-Loaded Multi-Carrier Signaling in a Bandwidth-Limited 1-Tb/s Coherent System," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper M3H.5.

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Abstract

Multicarrier modulation can use entropy loading to adapt a frequency-dependent channel. We compare single- and multi-carrier (SC/MC) signaling in a 100-GBaud coherent system whose performance is mainly degraded by the bandwidth-limited transmitter, and reveal an MC advantage of 0.3 bits/symbol or 20-km reach extension over a single-span transmission.

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