124.8-Gbit/s Net Data Rate Capacity for IM/DD Optical Intra-Data Center Interconnections By Utilizing Probabilistically Shaped PAM-8 and Digital Linear Feed-Forward Equalizers

We experimentally demonstrate 50-Gbaud probabilistically shaped PAM-8 signal transmissions based on Maxwell-Boltzmann distribution for semiconductor optical amplifier (SOA)-based intra-data center interconnects. Considering the 7% hard-decision forward error correction overhead, after transmissions...

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Bibliographic Details
Published in:	2022 Asia Communications and Photonics Conference (ACP) pp. 997 - 1000
Main Authors:	Reza, Ahmed Galib, Troncoso Costas, Marcos, Browning, Colm, Barry, Liam
Format:	Conference Proceeding
Language:	English
Published:	IEEE 05-11-2022
Subjects:	data center interconnects Distributed databases Logic gates Maxwell-Boltzmann distribution Optical fiber amplifiers Optical interconnections probabilistic shaping pulse amplitude modulation semiconductor optical amplifier Semiconductor optical amplifiers Stimulated emission
Online Access:	Get full text
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Summary:	We experimentally demonstrate 50-Gbaud probabilistically shaped PAM-8 signal transmissions based on Maxwell-Boltzmann distribution for semiconductor optical amplifier (SOA)-based intra-data center interconnects. Considering the 7% hard-decision forward error correction overhead, after transmissions over a 1-km single-mode fiber, we achieve a net data rate of 124.8-Gbit/s enabled by probabilistic shaping and linear digital equalization.
DOI:	10.1109/ACP55869.2022.10088965