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Demonstration of a transparent router for wavelength-hopping time-spreading optical CDMA

Glesk, I. and Brès, Camille-Sophie and Prucnal, Paul R. (2005) Demonstration of a transparent router for wavelength-hopping time-spreading optical CDMA. Optics Communications, 254 (1-3). pp. 58-66. ISSN 0030-4018

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Abstract

We propose and demonstrate a two-dimensional wavelength-hopping time-spreading optical code division multiple access (OCDMA) node architecture for all-optical path networks. An OCDMA-based network can provide optically transparent and reconfigurable paths for on-demand high-bandwidth optical connections. The network node consists of parallel code converter routers (PCCRs), which perform routing by passive code conversion, the destination address of the data sent being an OCDMA code. We present an experimental demonstration of this OCDMA node in a 4-station mesh network operating at 253 Gchips/s with a single user bit rate of 2.5 Gb/s. We show the capability of the node to create reconfigurable code paths (CPs) and virtual code paths (VCPs). Our proposed architecture provides an all-optical method to create reconfigurable paths, while reducing switching delays and node complexity. Due to the inherent flexibility of OCDMA, path networks can rapidly respond to failure or changes in load condition while accommodating a large number of users

Item type: Article
ID code: 12389
Keywords: optical fiber communication , optical fiber MAN, Code division multi-access, optical fiber LAN, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 13 Dec 2011 14:44
    Last modified: 12 Mar 2012 10:55
    URI: http://strathprints.strath.ac.uk/id/eprint/12389

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