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Apparatus And Method For Monitoring An Optical Coherent Network

  • US 20120170929A1
  • Filed: 01/03/2011
  • Published: 07/05/2012
  • Est. Priority Date: 01/03/2011
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • determining at an optical network monitoring device whether a value for at least one parameter that characterizes an optical signal which traverses a link of an optical coherent network is above a corresponding threshold; and

    setting an alarm indicator when the value is larger than the corresponding threshold;

    wherein the at least one corresponding parameter is at least one of polarization mode dispersion, polarization dependent loss and chromatic dispersion.

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