Real-time In-field Automatic Bias Control and Self-calibration Module for High-baud Coherent Driver Modulator

Hongyu Li; Yu Yang; Yuanxiang Wang; Mengfan Cheng; Qi Yang; Ming Tang; Deming Liu; Lei Deng

doi:10.1364/OFC.2022.M1H.6

Optical Fiber Communication Conference (OFC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper M1H.6
•https://doi.org/10.1364/OFC.2022.M1H.6

Real-time In-field Automatic Bias Control and Self-calibration Module for High-baud Coherent Driver Modulator

Hongyu Li, Yu Yang, Yuanxiang Wang, Mengfan Cheng, Qi Yang, Ming Tang, Deming Liu, and Lei Deng

Optical Fiber Communication Conference 2022

San Diego, California United States
6–10 March 2022
ISBN: 978-1-55752-466-9

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Advanced Digital Signal Processing for Coherent System (M1H)

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H. Li, Y. Yang, Y. Wang, M. Cheng, Q. Yang, M. Tang, D. Liu, and L. Deng, "Real-time In-field Automatic Bias Control and Self-calibration Module for High-baud Coherent Driver Modulator," in Optical Fiber Communication Conference (OFC) 2022, S. Matsuo, D. Plant, J. Shan Wey, C. Fludger, R. Ryf, and D. Simeonidou, eds., Technical Digest Series (Optica Publishing Group, 2022), paper M1H.6.

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Abstract

We report a real-time in-field low-cost module that can simultaneously realize self-calibration and automatic-bias-control for coherent driver modulators. Precise frequency-response (<0.5dB) and IQ skew (<0.2ps) correction are achieved in experiments of 25/20GBaud 16/64QAM signal transmissions.

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