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Method of power control in an optical communication system

  • US 20040052524A1
  • Filed: 09/23/2003
  • Published: 03/18/2004
  • Est. Priority Date: 09/13/2000
  • Status: Abandoned Application
First Claim
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1. A method of power control in an optical communication system, the system comprising a plurality of nodes coupled together by optical waveguiding means for guiding communication traffic bearing radiation between the nodes, the method including the steps of:

  • regulating the power of the communication traffic bearing radiation at the first node to provide optical output radiation;

    emitting the optical output radiation through the waveguiding means to a second node of the system;

    measuring radiation power of the output radiation received at the second node to generate corresponding power indicative data;

    communicating the power indicative data to controlling means operable to generate error data for regulating the optical output radiation measured at the second node to a predetermined power level; and

    communicating the error data to the power regulating means at the first node for controlling the regulating means so that the radiation power of the output radiation received at the second node is stabilized substantially at the predetermined level at which optical non-linearities are reduced to less than a predetermined threshold in the waveguiding means.

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