Pulse pedestal suppression using four-wave mixing in an SOA

Brendan Kennedy, K. Bondarczuk, D.A. Reid, L.P. Barry

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    Experimental results are presented demonstrating how four-wave mixing in a semiconductor optical amplifier can be used to remove pulse pedestals introduced due to nonlinearities which occur upon pulse propagation in an optical system. Such pedestals would degrade the performance of an optical time-division-multiplexed system due to coherent interaction between channels. An improvement of the temporal pulse suppression ratio to greater than 30 dB is achieved regardless of the level of the pulse pedestal on the input signal. This improvement takes place simultaneously with wavelength conversion and compression of the optical pulse.
    Original languageEnglish
    Pages (from-to)327-329
    JournalIEEE Photonics Technology Letters
    Issue number5
    Publication statusPublished - 2008


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