Single-Shot Frequency-resolved Imbalance Characterization for Coherent Transceivers Based on Inter-channel Response Ratio

Honglin Ji; Honglin Ji; Jingchi Li; Xingfeng Li; Zhen Wang; Ranjith Rajasekharan Unnithan; Yikai Su; Weisheng Hu; Weisheng Hu; William Shieh

European Conference on Optical Communication (ECOC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Tu5.40

Single-Shot Frequency-resolved Imbalance Characterization for Coherent Transceivers Based on Inter-channel Response Ratio

Honglin Ji, Jingchi Li, Xingfeng Li, Zhen Wang, Ranjith Rajasekharan Unnithan, Yikai Su, Weisheng Hu, and William Shieh

European Conference and Exhibition on Optical Communication 2022

Basel Switzerland
18–22 September 2022
ISBN: 978-1-957171-15-9

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H. Ji, J. Li, X. Li, Z. Wang, R. R. Unnithan, Y. Su, W. Hu, and W. Shieh, "Single-Shot Frequency-resolved Imbalance Characterization for Coherent Transceivers Based on Inter-channel Response Ratio," in European Conference on Optical Communication (ECOC) 2022, J. Leuthold, C. Harder, B. Offrein, and H. Limberger, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Tu5.40.

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Abstract

We propose a simple but efficient method to simultaneously characterize the frequency-resolved IQ and polarization imbalance by a single-shot measurement for coherent transceivers based on the simple inter-channel response ratio. We demonstrate the characterization through a successful transmission of a 75-Gbaud PCS-256QAM signal with a 1.05-Tb/s raw data rate.

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