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Optimized directionless optical add/drop module systems and methods

  • US 8,457,497 B2
  • Filed: 01/29/2010
  • Issued: 06/04/2013
  • Est. Priority Date: 01/31/2003
  • Status: Active Grant
First Claim
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1. An add side of a directionless optical add/drop module, comprising:

  • a multi-cast switch having a plurality of input ports and a plurality of output ports;

    a plurality of optical amplifiers connected to the plurality of input ports of the multi-cast switch, wherein the plurality of optical amplifiers form an optical amplifier array; and

    a plurality of tunable filters connected to the plurality of input ports of the multi-cast switch;

    wherein the add side utilizes a broadcast and select architecture comprising enabling an amplifier in a path to connect a particular transceiver to a particular degree while also disabling a plurality of amplifiers connecting the transceiver to other degrees.

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