High-isolation microwave photonic sub-harmonic mixer

J. L. Zhang, X. D. Wang, Y. Cao, X. H. Feng, B. O. Guan, E. H. W. Chan, Ieee [Unknown]

    Research output: Chapter in Book/Report/Conference proceedingConference Paper published in Proceedingspeer-review


    A microwave photonic sub-harmonic mixer with a wide bandwidth, high RF-to-LO isolation and high RF/LO-to-IF isolation is presented. High isolation between the RF port and the LO port is obtained by separately applying the RF signal and the LO into two Mach Zehnder modulators, which are far apart, inside an integrated four-parallel Mach Zehnder modulator to avoid crosstalk between signal electrodes. High isolation between the RF/LO port and the IF port is obtained by designing the bias voltages of the modulator to largely suppress the optical carrier. Experimental results demonstrate sub-harmonic frequency mixing operation with > 38 dB LO-to-IF isolation, > 40 dB RF-to-LO isolation and > 5 dB conversion efficiency for an input RF signal frequency range of 0.5-40 GHz.
    Original languageEnglish
    Title of host publication2017 International Topical Meeting on Microwave Photonics
    Place of PublicationNew York
    PublisherIEEE Computer Society
    Number of pages4
    ISBN (Electronic)978-1-5386-0762-6
    ISBN (Print)978-1-5386-0763-3
    Publication statusPublished - 2017
    Event2017 International Topical Meeting on Microwave Photonics - Tsinghua Univ, Beijing, China
    Duration: 23 Oct 201726 Oct 2017


    Conference2017 International Topical Meeting on Microwave Photonics
    City Tsinghua Univ, Beijing


    Dive into the research topics of 'High-isolation microwave photonic sub-harmonic mixer'. Together they form a unique fingerprint.

    Cite this