Multimode interference photonic switches (MIPS)

Shuichi Nagai, Goh Morishima, Hirokazu Inayoshi, Katsuyuki Utaka

    Research output: Contribution to journalArticle

    77 Citations (Scopus)

    Abstract

    The switching characteristics of multimode interference photonic switches (MIPS) are analyzed by wide-angle finite difference beam propagation method (FD-BPM). A result, it is found that the MIPS with a multimode interference (MIMI) length of 599 μm can switch the output light polarization insensitively with a crosstalk of less than -20 dB for a wavelength range of 70 nm. These analyses show that the MIPS can also have a 3-dB coupler function. Experimentally, an InGaAsP/InP 1 × 2 MIPS with a thicker InP cladding layer was fabricated and exhibited switching operation with crosstalks of -8 dB and -10 dB at 0 and 20 mA current injections, respectively. For a 2 × 2 MIPS with a thinner InP cladding layer, better switching characteristics with a crosstalk of -13 dB and an extinction ratio of 17 dB were realized.

    Original languageEnglish
    Pages (from-to)675-681
    Number of pages7
    JournalJournal of Lightwave Technology
    Volume20
    Issue number4
    DOIs
    Publication statusPublished - 2002 Apr

    Fingerprint

    Optical switches
    switches
    photonics
    interference
    Crosstalk
    crosstalk
    Beam propagation method
    Light polarization
    couplers
    Switches
    extinction
    Wavelength
    injection
    propagation
    output
    polarization
    wavelengths

    Keywords

    • Crosstalk
    • InGaAsP
    • Multimode interference (MMI)
    • Photonic switch
    • Semiconductor waveguide device
    • Wide-angle finite difference beam propagation method (FD-BPM)

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Atomic and Molecular Physics, and Optics

    Cite this

    Multimode interference photonic switches (MIPS). / Nagai, Shuichi; Morishima, Goh; Inayoshi, Hirokazu; Utaka, Katsuyuki.

    In: Journal of Lightwave Technology, Vol. 20, No. 4, 04.2002, p. 675-681.

    Research output: Contribution to journalArticle

    Nagai, Shuichi ; Morishima, Goh ; Inayoshi, Hirokazu ; Utaka, Katsuyuki. / Multimode interference photonic switches (MIPS). In: Journal of Lightwave Technology. 2002 ; Vol. 20, No. 4. pp. 675-681.
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