System Impact of Laser Phase Noise On 400G And Beyond Coherent Pluggables

Hai Xu; Marcos Olmos Rebellato; Shih-Cheng Wang

doi:10.1364/OFC.2023.Th1E.1

Optical Fiber Communication Conference (OFC) 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper Th1E.1
•https://doi.org/10.1364/OFC.2023.Th1E.1

System Impact of Laser Phase Noise On 400G And Beyond Coherent Pluggables

Hai Xu, Marcos Olmos Rebellato, and Shih-Cheng Wang

Optical Fiber Communication Conference 2023

San Diego California United States
5–9 March 2023
ISBN: 978-1-957171-18-0

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Beyond 400G Transmission (Th1E)

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H. Xu, M. O. Rebellato, and S. Wang, "System Impact of Laser Phase Noise On 400G And Beyond Coherent Pluggables," in Optical Fiber Communication Conference (OFC) 2023, Technical Digest Series (Optica Publishing Group, 2023), paper Th1E.1.

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Abstract

We show that 800G systems are highly sensitive to phase noise of local oscillator. We introduce a PI model that correlates well with measured performance. We present performance simulations and limitations of current timing recovery.

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