Tunable microwave phase shifter based on silicon-on-insulator microring resonator

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    Abstract

    We demonstrate microwave phase shifters based on electrically tunable silicon-on-insulator microring resonators (MRRs). MRRs with different quality factors are fabricated and tested. A continuously tunable phase shift of up to 336 at a microwave frequency of 40 GHz is obtained using a high-quality-factor ( 28 000) MRR with only 1.6-mW power consumption. A quasi-linear phase shift in the range of 0 –204 at 40 GHz with a radio-frequency power variation less than 1.3 dB is also achieved by using a lower-quality-factor MRR.
    Original languageEnglish
    JournalI E E E Photonics Technology Letters
    Volume22
    Issue number12
    Pages (from-to)869-871
    ISSN1041-1135
    DOIs
    Publication statusPublished - 2010

    Bibliographical note

    Copyright: 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

    Keywords

    • Integrated optics devices
    • silicon microring resonator (MRR)
    • radio-frequency (RF) photonics
    • microwave photonics

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