WDM cross-connect cascade based on all-optical wavelength converters for routing and wavelength slot interchanging using a reduced number of internal wavelengths

Rune Johan Skullerud Pedersen, Benny Mikkelsen, Bo Foged Jørgensen, Morten Nissov, Kristian Stubkjær, K Wunstel, K. Daub, E Lach, G Laube, W Idler, M Schilling, P Doussiere, F. Pommerau

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    Abstract

    Optical transport layers need rearrangeable wavelength-division multiplexing optical cross-connects (OXCs) to increase the capacity and flexibility of the network. It has previously been shown that a cross-connect based on all-optical wavelength converters for routing as well as wavelength slot interchanging can be used to create a robust and nonblocking OXC. However, for an OXC with n fiber inlets each carrying m wavelengths the OXC requires n×m internal wavelengths, which constrains the size of the cross-connect. In this paper we therefore propose and demonstrate an architecture that uses a reduced set of internal wavelengths without sacrificing cross-connecting capabilities. By inserting a partly equipped OXC with the new architecture in a 10-Gbit/s re-circulating loop setup we demonstrate the possibility of cascading up to ten OXCs. Furthermore, we investigate the regenerating effect of the OXC on signals that suffer from interferometric crosstalk
    Original languageEnglish
    Title of host publicationTechnical Digest of the Optical Fiber Communication Conference and Exhibit
    PublisherIEEE
    Publication date1998
    Pages58-59
    ISBN (Print)1-55752-521-8
    DOIs
    Publication statusPublished - 1998
    Event1998 Optical Fiber Communication Conference and Exhibit - San Jose, CA, United States
    Duration: 22 Feb 199827 Feb 1998
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=5284

    Conference

    Conference1998 Optical Fiber Communication Conference and Exhibit
    Country/TerritoryUnited States
    CitySan Jose, CA
    Period22/02/199827/02/1998
    Internet address

    Bibliographical note

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