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Acta Optica Sinica, Volume. 41, Issue 24, 2423001(2021)

Chirp Characteristics of Converted Return-to-Zero and Non-Return-to-Zero Signals in SOA XGM Based Wavelength Conversion

Yu Xu1,2, Guangfu Bai1、*, Liang Xu1, and Jiahao Zhang1,3
Author Affiliations
  • 1College of Physics, Guizhou University, Guiyang, Guizhou 550025, China
  • 2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3Hubei Taijing Technology Co., Ltd., Suizhou, Hubei 441300, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (21)
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    Figures & Tables(9)
    Input waveforms of different signals and output waveforms and chirps of different converted signals. (a1)(a2)(a3) NRZ code; (b1)(b2)(b3) RZ code

    Fig. 1. Input waveforms of different signals and output waveforms and chirps of different converted signals. (a1)(a2)(a3) NRZ code; (b1)(b2)(b3) RZ code

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    Chirp peak and valley versus proportion of rising edge or bit rate for different signals. (a)(c) NRZ code; (b)(d) RZ code

    Fig. 2. Chirp peak and valley versus proportion of rising edge or bit rate for different signals. (a)(c) NRZ code; (b)(d) RZ code

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    Waveform of input signal and waveform and chirp of converted signal versus time at rising edge ratio of 0.06. (a)(c)(e) NRZ code; (b)(d)(f) RZ code

    Fig. 3. Waveform of input signal and waveform and chirp of converted signal versus time at rising edge ratio of 0.06. (a)(c)(e) NRZ code; (b)(d)(f) RZ code

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    Waveform of input signal and waveform and chirp of converted signal versus time at rising edge ratio of 0.18. (a)(c)(e) NRZ code; (b)(d)(f) RZ code

    Fig. 4. Waveform of input signal and waveform and chirp of converted signal versus time at rising edge ratio of 0.18. (a)(c)(e) NRZ code; (b)(d)(f) RZ code

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    Chirp peak and valley of converted signal versus wavelength of signal or reference light. (a)(c) NRZ code; (b)(d) RZ code

    Fig. 5. Chirp peak and valley of converted signal versus wavelength of signal or reference light. (a)(c) NRZ code; (b)(d) RZ code

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    Chirp of converted signal versus extinction ratio of input signal. (a) NRZ code; (b) RZ code

    Fig. 6. Chirp of converted signal versus extinction ratio of input signal. (a) NRZ code; (b) RZ code

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    Chirp versus signal or reference optical power

    Fig. 7. Chirp versus signal or reference optical power

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    Chirp versus SOA bias current

    Fig. 8. Chirp versus SOA bias current

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    • Table 1. Physical parameters

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      Table 1. Physical parameters

      DescriptionSymbolValueUnit
      SOA lengthL500μm
      Material lossαin20cm-1
      Cross-sectional area of active layerDifferential gainCarrier density at transparencyGain constantGain constantGain constantDifferential refractive indexElectron chargeCurrentNon-radiative recombination constantBimolecular recombination constantAuger recombination constantGroup velocityConfinement factorSaN0γ1γ2κ0dn/dNeIABCvgγ0.32.5×10-169×10187.4×10183.155×10253×10-32-1.2×10-261.6×10-19501×1082.5×10-110.94×10-287.5×1070.3μm2cm2cm-3m-3m-4m4m4CmAs-1cm3·s-1cm6·s-1ms-1
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    Yu Xu, Guangfu Bai, Liang Xu, Jiahao Zhang. Chirp Characteristics of Converted Return-to-Zero and Non-Return-to-Zero Signals in SOA XGM Based Wavelength Conversion[J]. Acta Optica Sinica, 2021, 41(24): 2423001

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    Paper Information

    Category: Optical Devices

    Received: May. 25, 2021

    Accepted: Jul. 4, 2021

    Published Online: Nov. 30, 2021

    The Author Email: Bai Guangfu (baiguangfu123@163.com)

    DOI:10.3788/AOS202141.2423001

    Topics

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