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    Journals >Laser & Optoelectronics Progress >Volume 56 >Issue 6 >Page 060002 > Article
    • Laser & Optoelectronics Progress
    • Vol. 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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    DOI: 10.3788/LOP56.060002 Cite this Article Set citation alerts
    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 Copy Citation Text show less
    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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    Kerr nonlinearityIntra-channel Kerr nonlinearityXPMFWM
    Bit rate↗↗No impacts
    Channel spacing ↘No impacts↗↗
    Table 1. Kerr nonlinear effect versus bit rate and channel spacing
    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
    Table 2. Characteristics of Kerr nonlinearity compensation technologies
    Abstract
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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
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