Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator

Yuta Kashiwagi, Kosuke Takase, Tadashi Kawai, Akira Enokihara, Naokatsu Yamamoto, Tetsuya Kawanishi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    A new electro-optic modulator for compensating the nonlinear distortion is proposed. The third-order intermodulation distortion (IMD3) induced in the receiver output are optically suppressed by using two Mach-Zehnder modulators (MZMs) connected in parallel and operating with chirp-parameters of the opposite signs to each other. The performance of the IMD3 compensation was estimated by the numerical calculations. We made an experiment to confirm the IMD3 compensation operation by using 10 GHz two-tone microwave signals and a 1.55 μm light source. The modulator was constituted by a dual-parallel Mach-Zehnder modulator (DPMZM). The chirp parameters of MZMs of the DPMZM were set to +0.5 and -0.5, respectively. It was observed by the measurement that the IMD3 components in the receiver output were suppressed by more than 20 dB compared to those for the conventional single-MZM operation in a range of modulation index below 0.25π rad. These experimental results agree well with the numerical calculation ones.

    Original languageEnglish
    Title of host publication2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages2011-2017
    Number of pages7
    Volume2018-August
    ISBN (Electronic)9784885523151
    DOIs
    Publication statusPublished - 2018 Dec 31
    Event2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Toyama, Japan
    Duration: 2018 Aug 12018 Aug 4

    Other

    Other2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018
    CountryJapan
    CityToyama
    Period18/8/118/8/4

    Fingerprint

    Chirp modulation
    Frequency modulation
    Electrooptical effects
    Modulators
    Modulation
    Mach number
    Intermodulation distortion
    Nonlinear distortion
    Compensation and Redress
    Light sources
    Microwaves

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

    Cite this

    Kashiwagi, Y., Takase, K., Kawai, T., Enokihara, A., Yamamoto, N., & Kawanishi, T. (2018). Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator. In 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings (Vol. 2018-August, pp. 2011-2017). [8597804] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/PIERS.2018.8597804

    Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator. / Kashiwagi, Yuta; Takase, Kosuke; Kawai, Tadashi; Enokihara, Akira; Yamamoto, Naokatsu; Kawanishi, Tetsuya.

    2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings. Vol. 2018-August Institute of Electrical and Electronics Engineers Inc., 2018. p. 2011-2017 8597804.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kashiwagi, Y, Takase, K, Kawai, T, Enokihara, A, Yamamoto, N & Kawanishi, T 2018, Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator. in 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings. vol. 2018-August, 8597804, Institute of Electrical and Electronics Engineers Inc., pp. 2011-2017, 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018, Toyama, Japan, 18/8/1. https://doi.org/10.23919/PIERS.2018.8597804
    Kashiwagi Y, Takase K, Kawai T, Enokihara A, Yamamoto N, Kawanishi T. Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator. In 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings. Vol. 2018-August. Institute of Electrical and Electronics Engineers Inc. 2018. p. 2011-2017. 8597804 https://doi.org/10.23919/PIERS.2018.8597804
    Kashiwagi, Yuta ; Takase, Kosuke ; Kawai, Tadashi ; Enokihara, Akira ; Yamamoto, Naokatsu ; Kawanishi, Tetsuya. / Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator. 2018 Progress In Electromagnetics Research Symposium, PIERS-Toyama 2018 - Proceedings. Vol. 2018-August Institute of Electrical and Electronics Engineers Inc., 2018. pp. 2011-2017
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    abstract = "A new electro-optic modulator for compensating the nonlinear distortion is proposed. The third-order intermodulation distortion (IMD3) induced in the receiver output are optically suppressed by using two Mach-Zehnder modulators (MZMs) connected in parallel and operating with chirp-parameters of the opposite signs to each other. The performance of the IMD3 compensation was estimated by the numerical calculations. We made an experiment to confirm the IMD3 compensation operation by using 10 GHz two-tone microwave signals and a 1.55 μm light source. The modulator was constituted by a dual-parallel Mach-Zehnder modulator (DPMZM). The chirp parameters of MZMs of the DPMZM were set to +0.5 and -0.5, respectively. It was observed by the measurement that the IMD3 components in the receiver output were suppressed by more than 20 dB compared to those for the conventional single-MZM operation in a range of modulation index below 0.25π rad. These experimental results agree well with the numerical calculation ones.",
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    AU - Yamamoto, Naokatsu

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