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Laser & Optoelectronics Progress, Volume. 56, Issue 6, 060002(2019)

Techniques for Kerr Nonlinearity Compensation in Fiber Communication Systems

Lianni Xie1、*, Lei Cao2, Lu Zhang3, and Yukui Yu4
Author Affiliations
  • 1 Heilongjiang Meteorology Data Center, Harbin, Heilongjiang 150030, China
  • 2 Harbin Meteorological Station, Harbin, Heilongjiang 150028, China
  • 3 School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, Shaanxi 710071, China
  • 4 College of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (64)
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    Figures & Tables(6)
    Kerr nonlinear effect within WDM system. (a) Intra-channel; (b) inter-channel

    Fig. 1. Kerr nonlinear effect within WDM system. (a) Intra-channel; (b) inter-channel

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    Schematic of DBP algorithm

    Fig. 2. Schematic of DBP algorithm

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    Schematic of phase conjugation method. (a) OPC; (b) PCTW

    Fig. 3. Schematic of phase conjugation method. (a) OPC; (b) PCTW

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    Constellation diagrams for 25 dB SNR[41]. (a) Standard 256QAM; (b) geometrically shaped star-256 polar modulation; (c) probabilistically shaped 256QAM

    Fig. 4. Constellation diagrams for 25 dB SNR[41]. (a) Standard 256QAM; (b) geometrically shaped star-256 polar modulation; (c) probabilistically shaped 256QAM

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    • Table 1. Kerr nonlinear effect versus bit rate and channel spacing

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      Table 1. Kerr nonlinear effect versus bit rate and channel spacing

      Kerr nonlinearityIntra-channel Kerr nonlinearityXPMFWM
      Bit rate↗↗No impacts
      Channel spacing ↘No impacts↗↗

    • Table 2. Characteristics of Kerr nonlinearity compensation technologies

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      Table 2. Characteristics of Kerr nonlinearity compensation technologies

      TechnologyImplementationIntra channel Kerr effectXPMFWMComplexity
      DBPRefs. [11-21]Digital++----Very high
      PCRefs. [22-30]Digital /optical++-Low
      PPDRefs. [31-40]Digital++-High
      Advance modulationRefs. [41-49]Digital++-Medium
      NFTRefs. [50-55]Digital+++Very high
      VNLERefs. [56-61]Digital++----High
      Machine LearningRefs. [62-64]Digital++-Very high
      Note: Plus markers indicate the potential of full(++) or partial (+) mitigation, whereas minus markers indicate cases in which the technique has no(--) or typically very small(-) impact on the nonlinearities
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    Lianni Xie, Lei Cao, Lu Zhang, Yukui Yu. Techniques for Kerr Nonlinearity Compensation in Fiber Communication Systems[J]. Laser & Optoelectronics Progress, 2019, 56(6): 060002

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    Paper Information

    Category: Reviews

    Received: Aug. 31, 2018

    Accepted: Oct. 17, 2018

    Published Online: Jul. 30, 2019

    The Author Email: Xie Lianni (xielianni@163.com)

    DOI:10.3788/LOP56.060002

    Topics

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