Wide frequency range optical synthesizer with high-frequency resolution

Hitoshi Kiuchi, Tetsuya Kawanishi, Atsushi Kanno

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    The generation of high-frequency signals including those in the terahertz region has become indispensable in state-of-the-art communication systems. A synthesizer as a measurement device generates signals of desired frequencies with high-frequency resolution. Electric signals (microwaves or millimeter waves) can be generated by a photomixer performing optical-electrical energy conversion based on the phase difference between two coherent optical signals. Recently, the frequency bandwidth for photomixers has reached the terahertz region and photomixers are now more readily available. The main purpose of this letter is to provide an optical synthesizer with a high-frequency resolution (better than 1 Hz) and with seamless frequency coverage from the microwave to the terahertz-wave regions using one apparatus. The system is designed in such a way that the mean of the resolution frequency includes the frequency instability of the generated signal.

    Original languageEnglish
    Article number7744525
    Pages (from-to)78-81
    Number of pages4
    JournalIEEE Photonics Technology Letters
    Volume29
    Issue number1
    DOIs
    Publication statusPublished - 2017 Jan 1

    Fingerprint

    synthesizers
    frequency ranges
    Microwaves
    Terahertz waves
    Energy conversion
    Millimeter waves
    Communication systems
    Bandwidth
    microwaves
    energy conversion
    electric power
    millimeter waves
    optical communication
    telecommunication
    bandwidth

    Keywords

    • Microwave photonics
    • optical fiber application
    • optical interferometry
    • optical modulation
    • phase noise

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics
    • Electrical and Electronic Engineering

    Cite this

    Wide frequency range optical synthesizer with high-frequency resolution. / Kiuchi, Hitoshi; Kawanishi, Tetsuya; Kanno, Atsushi.

    In: IEEE Photonics Technology Letters, Vol. 29, No. 1, 7744525, 01.01.2017, p. 78-81.

    Research output: Contribution to journalArticle

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