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Conferences > OFC > 2023 > Th3E > Th3E.1

Revisiting Probabilistic Constellation Shaping in Unamplified Coherent Optical Links

Beatriz M. Oliveira, Jorge H. Silva, Manuel S. Neves, Fernando P. Guiomar, Maria C. R. Medeiros, and Paulo P. Monteiro

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Abstract

Considering an unamplified 4 00ZR-compatible system, we experimentally demonstrate that the reverse Maxwell-Boltzmann distribution significantly enhances PCS performance. With bit-rate adaptation down to 250 Gbps, we find power budget gains of more than 2 dB.

© 2023 The Author(s)

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