Tapered multimode interference combiners for coherent receivers

Zhigang Wu, Weigang Zhang, Zhi Wang, Guiyun Kai, Shuzhong Yuan, Xiaoyi Dong, Katsuyuki Utaka, Wada Yasuo

    Research output: Contribution to journalArticle

    4 Citations (Scopus)


    A new tapered multimode interference (MMI)-based coherent lightwave combiner is reported. A comprehensive theoretical analysis of mode behaviors in the tapered MMI waveguide is presented, and the output characteristics of the tapered MMI combiners with various structures are demonstrated. The combiner is fabricated on a silicon-on-insulator (SOI) substrate. Due to its advantages of having no end-facet reflection, easy extension to a multi-port configuration, high tolerance for fabrication errors, and compact size, the tapered MMI is a good candidate for a coherent lightwave combiner to be used in large-scale photonic integrated circuits.

    Original languageEnglish
    Pages (from-to)328-335
    Number of pages8
    JournalPan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors
    Issue number2
    Publication statusPublished - 2006 Feb



    • Combiner
    • Integrated optics
    • Multimode interference
    • Silicon-on-insulator

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Electrical and Electronic Engineering

    Cite this

    Wu, Z., Zhang, W., Wang, Z., Kai, G., Yuan, S., Dong, X., Utaka, K., & Yasuo, W. (2006). Tapered multimode interference combiners for coherent receivers. Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors, 27(2), 328-335.