• Laser & Optoelectronics Progress
  • Vol. 60, Issue 17, 1712001 (2023)
Cong Li*, Jianming Zhang, and Zhe Han
Author Affiliations
  • Wuhan Binhu Electronic Limited Liability Company, Wuhan 430205, Hubei , China
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    DOI: 10.3788/LOP222254 Cite this Article Set citation alerts
    Cong Li, Jianming Zhang, Zhe Han. Instantaneous Frequency Measurements Based on a Dual-Path Imbalanced Mach-Zehnder Interferometer[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1712001 Copy Citation Text show less
    Schematic diagram of IFM system based on dual-path-imbalanced MZI
    Fig. 1. Schematic diagram of IFM system based on dual-path-imbalanced MZI
    Gain spectra of phase modulation link (τ1=100 ps)
    Fig. 2. Gain spectra of phase modulation link (τ1=100 ps)
    Gain spectra of phase modulation link (τ2=375 ps)
    Fig. 3. Gain spectra of phase modulation link (τ2=375 ps)
    Relationship between fACF and f of the link based on dual-path-imbalanced MZI
    Fig. 4. Relationship between fACF and f of the link based on dual-path-imbalanced MZI
    Instantaneous frequency measurement system. (a) Measurement result; (b) error
    Fig. 5. Instantaneous frequency measurement system. (a) Measurement result; (b) error
    Peak response frequency /GHzNull response frequency /GHz3 dB bandwidth/ GHz
    TheoryExperimentTheoryExperimentTheoryExperiment
    1.331.122.672.661.301.28
    4.003.885.335.33//
    6.676.688.007.99//
    9.339.3510.6710.65//
    12.0012.1413.3313.31//
    14.6714.5216.0015.98//
    17.3317.23////
    Table 1. Comparison between experiment and theory of gain spectra of path 2 (τ2=375 ps)
    Cong Li, Jianming Zhang, Zhe Han. Instantaneous Frequency Measurements Based on a Dual-Path Imbalanced Mach-Zehnder Interferometer[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1712001
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