Revisiting Probabilistic Constellation Shaping in Short-Reach IM-DD Systems

Di Che; Junho Cho; Xi Chen

doi:10.1364/OECC.2021.T1B.1

26th Optoelectronics and Communications Conference
OSA Technical Digest (Optica Publishing Group, 2021),
paper T1B.1
•https://doi.org/10.1364/OECC.2021.T1B.1

Revisiting Probabilistic Constellation Shaping in Short-Reach IM-DD Systems

Di Che, Junho Cho, and Xi Chen

Optoelectronics and Communications Conference 2021

Hong Kong China
3–7 July 2021
ISBN: 978-1-943580-92-7

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Constellation shaping Technologies I (T1B)

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D. Che, J. Cho, and X. Chen, "Revisiting Probabilistic Constellation Shaping in Short-Reach IM-DD Systems," in 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper T1B.1.

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Abstract

Short-reach IM-DD links usually have no optical amplifiers and are subject to the peak-power constraint imposed by transmitter components. We revisit probabilistic constellation shaping in such IM-DD systems by answering several puzzling questions.

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