Application of semiconductor optical amplifiers in high-speed all-optical NRZ to RZ format conversion

Xuelin Yang*, Robert J. Manning, Arvind K. Mishra, Roderick P. Webb, Andrew D. Ellis, David Cotter

*Corresponding author for this work

    Research output: Chapter in Book/Published conference outputConference publication

    Abstract

    We present two types of 42.6 Gbit/s all-optical non-return-zero (NRZ) to return-zero (RZ) format converters using semiconductor optical amplifiers (SOAs). The converters are based on cross-phase modulation (XPM) and cross-polarisation modulation (XPolM) in SOAs. Both format converters produce a correctly-coded, polarity-preserved RZ signal at the output and have the flexibility of variable NRZ input data wavelength. Error-free operation was achieved for both converters with switching energy below 50 fJ/pulse. The format converter based on XPM has the additional advantage of variable duty-cycle of the RZ signal and exhibited negative power penalties.

    Original languageEnglish
    Title of host publicationProceedings of 2007 9th International Conference on Transparent Optical Networks, ICTON 2007
    PublisherIEEE
    Pages228-231
    Number of pages4
    ISBN (Print)142441248X, 9781424412488
    DOIs
    Publication statusPublished - 27 Aug 2007
    Event2007 9th International Conference on Transparent Optical Networks, ICTON 2007 - Rome, Italy
    Duration: 1 Jul 20075 Jul 2007

    Publication series

    NameProceedings of 2007 9th International Conference on Transparent Optical Networks, ICTON 2007
    Volume2

    Conference

    Conference2007 9th International Conference on Transparent Optical Networks, ICTON 2007
    Country/TerritoryItaly
    CityRome
    Period1/07/075/07/07

    Keywords

    • All-optical signal processing
    • NRZ to RZ format conversion
    • Semiconductor optical amplifier

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