Optical MEMS for photonic switching - Compact and stable optical crossconnect switches for simple, fast, and flexible wavelength applications in recent photonic networks

Mitsuhiro Yano, Fumio Yamagishi, Toshitaka Tsuda

    Research output: Contribution to journalArticlepeer-review

    100 Citations (Scopus)

    Abstract

    We review the development trends and state-of-the-art technologies of large-port-count optical switches over the past decade. Practical implementation of optical switch fabrics is discussed in terms of optical switch architectures, optical configurations, port counts, switch elements, and so on. We describe compact and stable optical crossconnect three-dimensional microelectromechanical systems (3-D-MEMS) switches that are a key technology in recent photonic networks. To show how these enable simple, fast, and flexible wavelength applications in the photonic layer, we discuss the fast and stable MEMS switching by novel comb actuator and V-shaped torsion bar, compact optical configuration with roof-type mirror, stable switch housing with cubic structure, packaging techniques by tolerance expansion and simple procedures of the component assembly, MEMS mirror controller with fast and low power digital notch circuit, reliability by shock absorption, and field trials. In addition, we discuss the impact of these switches on system integration for recent metropolitan area networks and enterprise networks.

    Original languageEnglish
    Pages (from-to)383-394
    Number of pages12
    JournalIEEE Journal on Selected Topics in Quantum Electronics
    Volume11
    Issue number2
    DOIs
    Publication statusPublished - 2005 Mar

    Keywords

    • Microelectromechanical systems (MEMS)
    • Optical add-drop multiplexing (OADM)
    • Optical crossconnects (OXCs)
    • Optical switch
    • Photonic network
    • Wavelength division multiplexing (WDM)

    ASJC Scopus subject areas

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

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