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A Novel WDM Monitoring Method

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Abstract

A novel method to monitor the performance of WDM channels in an optical network is presented by analyzing the photo-diode current of a detected optical signal. From the photo-diode current, an amplitude histogram is generated, hereafter to be called the probability density function (PDF). By analyzing the PDF information is obtained about several monitor parameters including the optical power as well as the noise-levels of the channels. A wavelength dependent attenuator has to be used to extract the monitor parameters uniquely. Experimental evidence is given to demonstrate that the method can be used to analyze at least three WDM channels simultaneously.

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Authors and Affiliations

  1. Department of Electrical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands

    M. P. H. van de Bergh & H. J. S. Dorren

  2. KPN Research, P.O. Box 421, 2260 AK, Leidschendam, The Netherlands

    M. P. H. van de Bergh & J. J. G. M. van der Tol

Authors
  1. M. P. H. van de Bergh
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  2. J. J. G. M. van der Tol
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  3. H. J. S. Dorren
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van de Bergh, M.P.H., van der Tol, J.J.G.M. & Dorren, H.J.S. A Novel WDM Monitoring Method. Photonic Network Communications 1, 323–329 (1999). https://doi.org/10.1023/A:1010078801321

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  • DOI: https://doi.org/10.1023/A:1010078801321

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