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Acta Optica Sinica, Volume. 43, Issue 20, 2006004(2023)

Experimental Demonstration of 100 Gbaud Delta-Sigma Modulation Signal Transmission over O-Band

Xiongwei Yang, Yi Wei, Jianyu Long, and Jianjun Yu*
Author Affiliations
  • Department of Communication Science and Engineering, School of Information Science and Technology, Fudan University, Shanghai 200433, China
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    References (20)
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    Figures & Tables(8)
    Flow chart of DSP. (a) Power spectra of DMT and DSM signals; (b) time domain waveforms of DMT and DSM signals

    Fig. 1. Flow chart of DSP. (a) Power spectra of DMT and DSM signals; (b) time domain waveforms of DMT and DSM signals

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    Experimental setup of IM/DD transmission system

    Fig. 2. Experimental setup of IM/DD transmission system

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    Gain curves of SOA1 and SOA2 under different driving currents

    Fig. 3. Gain curves of SOA1 and SOA2 under different driving currents

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    BER versus ROP of 50 Gbaud DSM-OOK signal. (a) BTB; (b) 25 km; (c) 50 km

    Fig. 4. BER versus ROP of 50 Gbaud DSM-OOK signal. (a) BTB; (b) 25 km; (c) 50 km

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    Pre-equalization. (a) Frequency domain response of channel; (b) power spectrum of DSM signal before and after equalization

    Fig. 5. Pre-equalization. (a) Frequency domain response of channel; (b) power spectrum of DSM signal before and after equalization

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    BER versus ROP of 100 Gbaud DSM-OOK signal. (a) BTB; (b) 10 km; (c) 15 km

    Fig. 6. BER versus ROP of 100 Gbaud DSM-OOK signal. (a) BTB; (b) 10 km; (c) 15 km

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    100 Gbaud DSM-OOK signal. (a) Power spectrum; (b) symbol distribution diagram of DSM-OOK signal; (c) symbol distribution diagram of DSM-OOK signal after PR+MLSE processing; (d), (e), (f) constellation of 1024/2048/4096QAM signal

    Fig. 7. 100 Gbaud DSM-OOK signal. (a) Power spectrum; (b) symbol distribution diagram of DSM-OOK signal; (c) symbol distribution diagram of DSM-OOK signal after PR+MLSE processing; (d), (e), (f) constellation of 1024/2048/4096QAM signal

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    • Table 1. Experimental results of different baud rates and different transmission distances

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      Table 1. Experimental results of different baud rates and different transmission distances

      Baud rate /GbaudDistance /kmDSM-OOK1024QAM2048QAM4096QAM
      BERBEREVMBEREVMBEREVM
      502502.5×10-31.8%9.0×10-31.8%2.3×10-21.8%
      5002.5×10-31.8%9.0×10-31.8%2.3×10-21.8%
      100103.0×10-55.3×10-32.2%1.8×10-22.7%3.1×10-22.4%
      151.5×10-52.6×10-31.9%9.1×10-31.8%2.7×10-22.1%
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    Xiongwei Yang, Yi Wei, Jianyu Long, Jianjun Yu. Experimental Demonstration of 100 Gbaud Delta-Sigma Modulation Signal Transmission over O-Band[J]. Acta Optica Sinica, 2023, 43(20): 2006004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 31, 2023

    Accepted: May. 19, 2023

    Published Online: Oct. 23, 2023

    The Author Email: Yu Jianjun (jianjun@fudan.edu.cn)

    DOI:10.3788/AOS230765

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology