Chinese Optics Letters, Volume. 22, Issue 12, 120601(2024)
Multiplier-simplified adaptive channel equalization for short-reach coherent optical transmission
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Fig. 2. Coefficient value distributions of ACE for 64-Gbaud signal transmission over 10.8 km SSMF. (a) PDM-QPSK; (b) PDM-16QAM; (c) PDM-64QAM.
Fig. 3. Experimental setup for the offline transmission and TX/RX DSP flow.
Fig. 4. Performance of 64 Gbaud signal transmission over 10.8 km SSMF. (a) PDM-QPSK; (b) PDM-16QAM; (c) PDM-64QAM.
Fig. 5. Performance of 64 Gbaud PDM-16QAM at different transmission distances.
Fig. 6. Experimental setup for the real-time transmission and FPGA data-processing flow.
Table 1. Required DSP Source
View tableView in ArticleTable 1. Required DSP Source
Multiplier Adder Shifter Conventional 1792 896 0 Proposed (M = 4) 0 9856 8960 Proposed (M = 5) 0 11,648 10,752 Proposed (M = 6) 0 13,440 12,544 Proposed (M = 7) 0 15,232 14,336
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Xu Zhang, Ming Luo, Tao Zeng, Ziqing Liu, Yingmei Pan, Zhixue He, Xi Xiao, Hanbing Li, "Multiplier-simplified adaptive channel equalization for short-reach coherent optical transmission," Chin. Opt. Lett. 22, 120601 (2024)
Paper Information
Category: Fiber Optics and Optical Communications
Received: May. 18, 2024
Accepted: Jul. 4, 2024
Posted: Jul. 4, 2024
Published Online: Jan. 13, 2025
The Author Email: Ming Luo (mluo@cict.com)
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