• Technical Conference:  30 March – 03 April 2025
  • Exhibition: 01 – 03 April 2025
  • Moscone Center, San Francisco, California, USA
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Poster / Demo

Accurate Beyond-400G Transmitter Quality Metric Based on Transmitter Constellation Closure Measurement (Th2A.26)

Presenter: Qirui Fan, Huawei

We demonstrate the use of transmitter constellation closure (TCC) for accurate quality assessment of beyond-400G coherent transmitters, and show its tolerance to inter-symbol interference and phase noise with and without probability constellation shaping (PCS).

Authors:Qirui Fan, Huawei / Xiang Liu, Huawei

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