Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system

Hiroshi Murata, Hironori Aya, Toshiyuki Inoue, Atsushi Sanada, Yusuf Nur Wijayanto, Atsushi Kanno, Tetsuya Kawanishi

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

    1 Citation (Scopus)

    Abstract

    We propose a new wireless electro-optic (EO) modulator using multi-layered stacked patch-antennas with a narrow gap for radio-over-fiber systems. This device uses a structure of vertically stacked patch antennas like the Yagi-Uda antenna, with an EO crystal and a low-dielectric-constant material hybrid substrate. The electric field for optical modulation and the patch length are increased by using the multi-layered antenna stacked structure. Therefore, the conversion efficiency from wireless to optical signals can be improved. In the analysis by use of HFSS, the operational frequency was shifted to the higher region by 7 GHz, and the modulation efficiency improved by 3.2 dB with the double stacking structure. In the experiments, the improvement of the modulation efficiency by 3.0 dB was verified, and the measured frequency response and directivity were in good agreement with the designed ones. The conversion of wireless 60 GHz band signals with QPSK modulation and the transfer of the converted signal over 1 km long fiber were also demonstrated.

    Original languageEnglish
    Title of host publicationEuropean Microwave Week 2017
    Subtitle of host publication"A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages628-631
    Number of pages4
    Volume2017-January
    ISBN (Electronic)9782874870477
    DOIs
    Publication statusPublished - 2017 Dec 19
    Event47th European Microwave Conference, EuMC 2017 - Nuremburg, Germany
    Duration: 2017 Oct 102017 Oct 12

    Other

    Other47th European Microwave Conference, EuMC 2017
    CountryGermany
    CityNuremburg
    Period17/10/1017/10/12

    Fingerprint

    Radio-over-fiber
    patch antennas
    Electrooptical effects
    Microstrip antennas
    Millimeter waves
    millimeter waves
    Modulators
    electro-optics
    micrometers
    modulators
    Modulation
    modulation
    fibers
    Yagi antennas
    Antennas
    quadrature phase shift keying
    Light modulation
    Quadrature phase shift keying
    light modulation
    Hybrid materials

    Keywords

    • Electro-optic effect
    • Optical modulator
    • Planar antenna
    • Radio over fiber
    • Yagi-Uda antenna

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Instrumentation

    Cite this

    Murata, H., Aya, H., Inoue, T., Sanada, A., Wijayanto, Y. N., Kanno, A., & Kawanishi, T. (2017). Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system. In European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017 (Vol. 2017-January, pp. 628-631). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/EuMC.2017.8230926

    Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system. / Murata, Hiroshi; Aya, Hironori; Inoue, Toshiyuki; Sanada, Atsushi; Wijayanto, Yusuf Nur; Kanno, Atsushi; Kawanishi, Tetsuya.

    European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. p. 628-631.

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

    Murata, H, Aya, H, Inoue, T, Sanada, A, Wijayanto, YN, Kanno, A & Kawanishi, T 2017, Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system. in European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. vol. 2017-January, Institute of Electrical and Electronics Engineers Inc., pp. 628-631, 47th European Microwave Conference, EuMC 2017, Nuremburg, Germany, 17/10/10. https://doi.org/10.23919/EuMC.2017.8230926
    Murata H, Aya H, Inoue T, Sanada A, Wijayanto YN, Kanno A et al. Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system. In European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. Vol. 2017-January. Institute of Electrical and Electronics Engineers Inc. 2017. p. 628-631 https://doi.org/10.23919/EuMC.2017.8230926
    Murata, Hiroshi ; Aya, Hironori ; Inoue, Toshiyuki ; Sanada, Atsushi ; Wijayanto, Yusuf Nur ; Kanno, Atsushi ; Kawanishi, Tetsuya. / Millimeter-wave electro-optic modulator using stacked patch-antennas embedded with micrometer-gap for radio-over-fiber system. European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. pp. 628-631
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    abstract = "We propose a new wireless electro-optic (EO) modulator using multi-layered stacked patch-antennas with a narrow gap for radio-over-fiber systems. This device uses a structure of vertically stacked patch antennas like the Yagi-Uda antenna, with an EO crystal and a low-dielectric-constant material hybrid substrate. The electric field for optical modulation and the patch length are increased by using the multi-layered antenna stacked structure. Therefore, the conversion efficiency from wireless to optical signals can be improved. In the analysis by use of HFSS, the operational frequency was shifted to the higher region by 7 GHz, and the modulation efficiency improved by 3.2 dB with the double stacking structure. In the experiments, the improvement of the modulation efficiency by 3.0 dB was verified, and the measured frequency response and directivity were in good agreement with the designed ones. The conversion of wireless 60 GHz band signals with QPSK modulation and the transfer of the converted signal over 1 km long fiber were also demonstrated.",
    keywords = "Electro-optic effect, Optical modulator, Planar antenna, Radio over fiber, Yagi-Uda antenna",
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    AU - Aya, Hironori

    AU - Inoue, Toshiyuki

    AU - Sanada, Atsushi

    AU - Wijayanto, Yusuf Nur

    AU - Kanno, Atsushi

    AU - Kawanishi, Tetsuya

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    N2 - We propose a new wireless electro-optic (EO) modulator using multi-layered stacked patch-antennas with a narrow gap for radio-over-fiber systems. This device uses a structure of vertically stacked patch antennas like the Yagi-Uda antenna, with an EO crystal and a low-dielectric-constant material hybrid substrate. The electric field for optical modulation and the patch length are increased by using the multi-layered antenna stacked structure. Therefore, the conversion efficiency from wireless to optical signals can be improved. In the analysis by use of HFSS, the operational frequency was shifted to the higher region by 7 GHz, and the modulation efficiency improved by 3.2 dB with the double stacking structure. In the experiments, the improvement of the modulation efficiency by 3.0 dB was verified, and the measured frequency response and directivity were in good agreement with the designed ones. The conversion of wireless 60 GHz band signals with QPSK modulation and the transfer of the converted signal over 1 km long fiber were also demonstrated.

    AB - We propose a new wireless electro-optic (EO) modulator using multi-layered stacked patch-antennas with a narrow gap for radio-over-fiber systems. This device uses a structure of vertically stacked patch antennas like the Yagi-Uda antenna, with an EO crystal and a low-dielectric-constant material hybrid substrate. The electric field for optical modulation and the patch length are increased by using the multi-layered antenna stacked structure. Therefore, the conversion efficiency from wireless to optical signals can be improved. In the analysis by use of HFSS, the operational frequency was shifted to the higher region by 7 GHz, and the modulation efficiency improved by 3.2 dB with the double stacking structure. In the experiments, the improvement of the modulation efficiency by 3.0 dB was verified, and the measured frequency response and directivity were in good agreement with the designed ones. The conversion of wireless 60 GHz band signals with QPSK modulation and the transfer of the converted signal over 1 km long fiber were also demonstrated.

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    KW - Radio over fiber

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