Sub-µs switching time in silicon-on-insulator Mach-Zehnder thermooptic switch

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    We have demonstrated both rise and fall times below 1 μs with 10%-90% modulation in a silicon-on-insulator thermooptical Mach-Zehnder switch. The switch is based on 9-μm-thick and 10-μm-wide single-mode rib waveguides. Very fast switching was achieved by using a differential control method. The switch was driven with a digital signal processor accompanied by simple electronic circuitry.
    Original languageEnglish
    Pages (from-to)2039-2041
    JournalIEEE Photonics Technology Letters
    Issue number9
    Publication statusPublished - 2004
    MoE publication typeA1 Journal article-refereed


    • integrated optics
    • optical switches
    • optical waveguides
    • silicon-on-insulator (SOI) technology
    • thermo-optic (TO) effects


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