Improve the performance of orthogonal ASK/DPSK optical label switching by DC-balanced line encoding

Nan Chi, Lin Xu, J. Zhang, Pablo Villanueva Holm-Nielsen, Christophe Peucheret, S. Yu, Palle Jeppesen

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    Abstract

    Orthogonal amplitude shift keying/differential phase-shift keying (ASK/DPSK) labeling is a promising approach to ultrahigh packet-rate routing and forwarding in the optical layer. However, the limitation on the payload extinction ratio (ER) is a detrimental effect for network scalability and transparency. This paper presents theoretical and experimental studies of ASK/DPSK labeling. It proposes that dc-balanced 8B10B coding can greatly improve ER tolerance, which in turn leads to better system performance. By using the 8B10B coding method, the paper demonstrates transmission and optical label swapping for a 40 Gb/s ASK payload and a 2.5 Gb/s DPSK label with an overall power penalty of 3.3 dB for the payload and 0.3 dB for the label. The experimental results also show that the ER is allowed to be as high as 12 dB
    Original languageEnglish
    JournalJournal of Lightwave Technology
    Volume24
    Issue number3
    Pages (from-to)1082-1092
    ISSN0733-8724
    DOIs
    Publication statusPublished - 2006

    Bibliographical note

    Copyright: 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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