Drop and insert multiplexing with simultaneous clock recovery using an electroabsorption modulator

Ian Phillips*, A. Gloag, D.G. Moodie, Nick Doran, Ian Bennion, Andrew Ellis

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A three-node optical time-division multiplexing (OTDM) network is demonstrated that utilizes electroabsorption (EA) modulators as the core elements. Each node is self contained and performs its own clock recovery and synchronization. "Drop and insert" functionality is demonstrated for the first time with an EA modulator by completely removing a 10-Gb/s channel from a 40-Gb/s OTDM data stream. A different 10-Gb/s channel was subsequently inserted into the vacant time slot. Clock recovery is achieved by using an EA modulator in a novel bidirectional configuration. Bit-error-rate (BER) measurements are presented for each of the 10-Gb/s OTDM channels.

    Original languageEnglish
    Pages (from-to)291-293
    Number of pages3
    JournalIEEE Photonics Technology Letters
    Volume10
    Issue number2
    DOIs
    Publication statusPublished - Feb 1998

    Keywords

    • clock recovery
    • drop and insert multiplexing
    • electroabsorption modulator
    • OTDM demultiplexing
    • phase-locked loop

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